When you’re writing an academic paper or research article the smallest punctuation details can cause the biggest doubts. One common question is footnote before or after period. Should the superscript number come before the period or after it?
In most major academic style systems the answer is simple. Place the footnote number after the period when the note applies to the whole sentence. For example: The results were significant.^1 The period ends the sentence first. The superscript footnote marker comes immediately after it.
This rule appears in Chicago style and in many academic publishing systems. Purdue OWL also explains that Chicago note numbers normally appear at the end of the clause or sentence and after punctuation. MLA follows the same general pattern. Oxford Academic journals and Cambridge journals also commonly place superscript note numbers after punctuation.
Still, the rule has a few important details. A footnote can refer to a specific word or clause rather than the entire sentence. Some punctuation marks also have special treatment. Your required style guide should always take priority.
This guide explains exactly where to put footnote numbers after periods commas question marks and other punctuation. You’ll also see examples for academic papers research articles books dissertations and professional writing.
You may also want to read More Than Vs More Then Which One Is Correct (2026).
Quick Answer
In most academic styles a footnote number goes after the period when it refers to the entire sentence. Write The study produced unexpected results.^1 rather than The study produced unexpected results^1. Chicago MLA Oxford Academic and many other publishing systems follow this basic approach.
Footnote Before or After Period Explained
The basic rule is easier than it first appears.
When a footnote supports an entire sentence the sentence receives its normal punctuation first. The footnote marker comes immediately afterward.
Correct:
The researchers reached the same conclusion.^1
Incorrect in the usual academic note systems:
The researchers reached the same conclusion^1.
The reason is logical. The period belongs to the sentence. The superscript number identifies the related note. Keeping them in that order makes the boundary between the sentence and the reference clear.
The Chicago Manual of Style states that a note number normally appears at the end of the sentence or clause to which it refers and follows punctuation except a dash. Purdue OWL gives the same general rule for Chicago style.
This convention is also common beyond Chicago. MLA places footnote and endnote numbers after the punctuation of the phrase or clause they reference. Oxford Academic journals commonly use the same placement. Cambridge publications also instruct authors to place superscript note numbers after punctuation.
So if your sentence ends with a period and your footnote applies to that complete sentence the usual pattern is:
Sentence.¹
Not:
Sentence¹.
That small distinction is the heart of the rule.
Footnote Before or After Period Comparison
| Feature | Footnote after period | Footnote before period |
|---|---|---|
| Standard use | Common in academic writing | Uncommon for a complete sentence |
| Example | The claim is supported.^1 | The claim is supported^1. |
| Chicago style | Standard | Not the normal placement |
| MLA style | Standard | Not the normal placement |
| Oxford Academic examples | Standard | Not the normal placement |
| Cambridge examples | Standard | Not the normal placement |
| Best choice for a whole sentence | Yes | Usually no |
| Main exception | Specific punctuation rules | Specific word or clause reference in some systems |
The table gives you the practical answer. If your footnote supports the sentence as a whole put the period first.
There are special cases. For example a note that refers to a particular word can sometimes be placed immediately after that word. Some systems also handle dashes differently. Those cases need more careful attention.
What Is a Footnote
A footnote is a note placed at the bottom of a page. It usually gives a source citation an explanation or additional information connected to something in the main text.
A small superscript number in the text points the reader to the corresponding note.
For example:
The author reached this conclusion after reviewing several historical records.^1
At the bottom of the page the matching note might provide the source.
The number in the sentence is called a footnote marker or footnote callout. The information at the bottom of the page is the footnote itself.
That distinction matters because people often use the word footnote to describe both parts.
The marker appears in the main text.
The note appears at the bottom of the page.
Modern word processors such as Microsoft Word can create the marker and the corresponding footnote automatically. That helps with numbering but it doesn’t remove the need to understand placement.
What Is a Period
A period is the punctuation mark used to end a declarative sentence in American English.
For example:
The experiment ended.
The period tells the reader that the sentence has finished.
When a footnote marker applies to that entire sentence the period normally appears before the marker.
The experiment ended.^1
Think of the period as the full stop for the sentence. The footnote marker comes afterward as a reference sign.
This distinction becomes especially useful in academic writing because footnotes can appear many times across a page. Consistent placement makes the page easier to read.
Which One Is Correct
For a footnote that refers to an entire sentence the standard choice is after the period.
Use:
The evidence supports this conclusion.^1
Avoid:
The evidence supports this conclusion^1.
Chicago style explicitly places note numbers after punctuation except for a dash. MLA gives the same general instruction. Oxford Academic and Cambridge publishing instructions also show footnote markers after punctuation.
However the exact placement can change when the note refers only to a particular word or clause. That is an important distinction.
For example:
The author describes the event as unusual.^1
Here the note normally supports the complete statement.
A note attached to one specific term may appear closer to that term under some style systems. Oxford Academic guidance acknowledges this kind of word specific placement in some publications.
The safest editorial approach is simple. First decide exactly what the note supports. Then follow the style guide required by your school publisher journal or employer.
Why Footnotes Usually Go After the Period
The main reason is clarity.
A period marks the end of the sentence. A superscript number points to supporting material.
Putting the period first keeps those two functions visually separate.
Compare these examples:
The study produced reliable results.^1
The study produced reliable results^1.
The first version clearly finishes the sentence before directing the reader to the note. The second version makes the superscript look like part of the sentence itself.
That difference becomes more noticeable when a paper contains many references.
Professional editors also care about consistency. A paper can contain excellent research and still look unfinished if note markers jump randomly from one side of punctuation to the other.
Academic publishing has therefore developed strong conventions for note placement. Chicago states that note numbers normally follow punctuation. MLA does the same. Oxford Academic journals and Cambridge publications also commonly place note markers outside the relevant punctuation.
Footnote Placement After Other Punctuation
The same basic principle applies beyond periods.
Footnotes After Commas
A footnote marker normally follows a comma when the note refers to the material before or around that punctuation in a system that follows the standard punctuation rule.
For example:
The first study produced similar results,¹ but the second study reached a different conclusion.
However the exact location can depend on what the note is intended to document. If the note applies to the whole sentence it will usually appear at the end.
The Chicago rule places note numbers after punctuation except a dash.
Footnotes After Semicolons
A semicolon normally comes before the footnote marker.
For example:
The first argument has strong support;¹ the second requires more evidence.
Again the note should be placed where the reader can understand what material it documents.
Footnotes After Question Marks
A question mark ends the sentence. If the footnote applies to the entire question the marker normally follows the question mark.
For example:
Did the researchers reach the same conclusion?¹
Not:
Did the researchers reach the same conclusion¹?
The same principle applies to an exclamation mark.
The punctuation closes the sentence. The note marker follows.
Footnotes After Exclamation Marks
For example:
The discovery changed the field completely!¹
This is less common in formal academic writing because exclamation marks are used sparingly. Still the placement principle remains clear.
Footnotes After Closing Quotation Marks
Style systems can have detailed rules around quotation marks. Chicago states that a note number normally follows a quotation and follows punctuation. MLA also places note numbers after punctuation.
For example:
The historian called the event a turning point.^1
The superscript follows the sentence punctuation and the closing quotation mark when the quotation ends the sentence.
Always check your required style guide if your paper contains complicated quotations because quotation punctuation itself varies across American and British publishing systems.
Footnote Placement With Specific Words
This is where the simple rule needs a little more care.
Suppose a note refers to one unusual term rather than the entire sentence.
For example:
The manuscript uses the term palimpsest¹ in a highly specific sense.
Here the note is attached to the word itself because the writer wants to explain or document that particular term.
Some editorial systems allow or prefer this approach when the note clearly refers to a specific word. Oxford guidance notes that a footnote marker can be placed directly after a specific word when the note comments on that word rather than the whole sentence.
That creates an important editorial question.
Ask yourself:
What exactly does the footnote support?
If it supports the whole sentence put the marker at the end of the sentence after the period.
If it supports one specific word or phrase follow the style guide’s rule for word specific notes.
This approach prevents a common mistake. Writers sometimes place footnotes beside individual words simply because the number looks closer to the source. That can create confusion if the note actually supports the entire sentence.
Footnote Before or After Period in Academic Writing
Academic writing uses footnotes for several different purposes.
A footnote can identify a source. It can provide additional explanation. It can give historical context. It can point readers toward further research. Some fields also use notes for legal authorities or specialized references.
Because footnotes carry different functions the writer must place them carefully.
Consider this example:
The treaty changed the relationship between the two countries.^1
The note probably supports the entire claim.
Now consider:
The treaty was signed at Versailles.^1
If the note gives the exact historical source for that location the marker supports the sentence.
The important point is that the marker does not need to sit directly after the specific fact simply because the fact appears earlier in the sentence.
The normal convention lets the reader finish the sentence first. Then the superscript directs the reader to the source.
That is one reason academic publishers favor punctuation first.
Footnotes in Chicago Style
Chicago is one of the most important systems for writers who use footnotes. It is common in history humanities and many book publishing contexts.
The current Chicago guidance says that note numbers normally appear at the end of the clause or sentence and after punctuation except the dash.
So a sentence ending with a period follows this pattern:
The archive contains several versions of the document.^1
A note appearing after the period is the normal Chicago placement.
Purdue OWL’s Chicago guidance confirms that note numbers are superscripted and placed after all punctuation except the dash.
Chicago also advises writers to place note numbers at the end of the clause or sentence to which they refer. That gives you a useful editorial rule.
Do not place the marker randomly.
Place it at the point where the reader can understand the scope of the note.
Footnotes in MLA Style
MLA uses footnotes and endnotes for specific purposes such as supplementary information. It does not normally use footnotes as the primary system for ordinary source citation in the way Chicago notes bibliography does.
When MLA uses a note marker the number appears after the punctuation of the relevant phrase or clause.
For example:
The argument has been challenged by later scholars.^6
MLA also gives a special example for a long dash. In that situation the note number comes before the dash.
For ordinary sentences ending with periods the practical rule remains straightforward.
Write:
The argument has been challenged.^6
Do not write:
The argument has been challenged^6.
Footnotes in APA Style
APA treats footnotes differently from Chicago because APA generally relies on author date citations for ordinary source documentation.
Still APA does use footnotes for content notes and copyright information.
Purdue OWL explains that APA footnote numbers are inserted in superscript following punctuation except a dash.
So when an APA footnote marker appears at the end of a normal sentence the pattern is:
The participants completed the survey.^1
The period comes first.
The superscript number follows.
This distinction is useful because writers sometimes mix citation systems. An APA parenthetical citation and an academic footnote do not follow the same visual pattern.
For example an APA parenthetical citation normally appears before the final period:
The results were significant (Smith, 2026).
A footnote marker normally appears after it:
The results were significant.^1
These are different citation systems and should not be mixed casually.
Footnote Before or After Period in British English
British publishing does not create a completely separate universal rule for footnote placement.
Many British academic publishers place superscript footnote numbers after punctuation. Oxford Academic examples show footnote numbers after punctuation. Cambridge publishing instructions also state that footnote indicators should follow punctuation.
So you should not assume that American and British English automatically reverse the rule.
The more important issue is the style system used by the publication.
A British journal may have its own house style. An American university may require Chicago. A publisher may follow Oxford conventions. A legal publication may use another system.
That is why the best advice is not simply to think in terms of country.
Think in terms of style guide and publication requirements.
Footnotes in Canadian English
Canadian academic publishing also uses multiple style systems.
A Canadian university assignment might require APA MLA Chicago or another system depending on the subject.
As a result there is no single Canadian rule that overrides all others.
If your institution specifies Chicago follow Chicago. If it specifies MLA follow MLA. If it specifies APA follow APA.
For standard footnote placement these major systems generally place the note marker after punctuation in an ordinary sentence.
The style manual matters more than the country.
Footnotes in Australian English
Australian academic and professional writing also uses several referencing systems.
The Australian Government Style Manual describes a documentary note system that uses superscript reference markers linked to footnotes or endnotes. Its example places the marker after the sentence punctuation.
Again the practical lesson is simple.
Do not change footnote placement merely because the audience is Australian. First identify the required citation system.
Footnote Before or After Period in Formal Writing
Formal writing rewards consistency.
If you use footnotes throughout an essay the markers should follow the same system from beginning to end.
For example:
The evidence supports the claim.^1
The second source reaches a similar conclusion.^2
The researchers later revised their position.^3
The pattern is easy to scan.
Now imagine a paper that uses several different placements:
The evidence supports the claim^1.
The second source reaches a similar conclusion.^2
The researchers later revised their position^3.
Even if the sources are correct the page looks inconsistent.
Professional editing is often about these small details. Good formatting helps the reader focus on the argument rather than the mechanics.
Footnotes in Research Papers
Research papers often contain dense evidence. That makes clear footnote placement especially important.
A good footnote should answer a useful question.
Where did this claim come from?
What source supports this statement?
What additional information does the reader need?
Why does this historical detail matter?
A footnote should not become a dumping ground for material that belongs in the main text. Purdue OWL notes that content footnotes should remain focused and that lengthy tangential material is better placed in the main body.
The marker should also appear close enough to the supported material for the connection to remain clear.
For a complete sentence the end is usually the cleanest location.
For a specific clause the marker can appear at the end of that clause.
The goal is always clarity.
Footnotes in Essays
College essays often use MLA Chicago or APA depending on the course.
If the essay uses Chicago notes then the footnote number normally follows the period.
Example:
The author presents memory as a form of resistance.^1
If the essay uses MLA notes the same basic punctuation placement applies.
If the essay uses APA the writer may not use ordinary source footnotes at all. Instead the source will usually appear as an author date citation in the text.
This is why searching for a universal footnote rule can be misleading.
You need to know the citation system before you make the final formatting choice.
Footnotes in Dissertations and Theses
Dissertations and theses require extra care because universities often have detailed formatting rules.
Your department may specify:
Chicago.
APA.
MLA.
A university house style.
A discipline specific system.
The university instructions should take priority over a general internet guide.
For example a history department may require Chicago notes bibliography. A psychology department will often require APA. A literature program may use MLA.
If the university provides a thesis manual check it before submitting the final document.
This is especially important because thesis formatting rules can cover more than footnote placement. They may also specify margins spacing headings note formatting and bibliography style.
Footnotes in Books
Book publishers commonly use footnotes in history biography literary scholarship religion philosophy and other fields.
In a published book the publisher’s house style matters.
Chicago is especially influential in American book publishing. Its general rule places note numbers after punctuation except the dash.
Oxford Academic publications also commonly show superscript note numbers after punctuation.
A manuscript should therefore follow the publisher’s submission instructions instead of relying only on personal preference.
Footnotes in Journalism
Most general journalism does not rely heavily on traditional page footnotes.
News websites usually use hyperlinks. Print publications may use source notes or endnotes in investigative or specialized work.
Still the underlying editorial principle remains useful.
Readers need to understand exactly what a source supports.
If a publication uses superscript notes it will normally provide its own house style.
Do not transfer a university citation system into journalism without checking the publication’s requirements.
Footnotes in Emails
Most professional emails do not need footnotes.
If you’re sending a report or research summary by email you may use hyperlinks instead.
For example:
The agency published its annual report last week.
A linked phrase can take the reader directly to the source.
Footnotes make more sense in the attached report than in the email itself.
The exception is a formal email that is part of a larger academic or legal document. In that situation follow the document’s required style.
Many readers also check On To Vs Onto Which One Is Correct (2026).
Footnotes in Digital Documents
Digital documents make footnotes easier to create and follow.
Microsoft Word and Google Docs can automatically insert superscript markers and place the corresponding notes in the correct location.
Still automatic formatting does not decide the editorial scope of a note.
The software can create:
Sentence.^1
It cannot reliably decide if the note should support the whole sentence or only one phrase.
That is the writer’s job.
Always check the placement after inserting or moving text. A footnote that once applied to one sentence may become misleading after a paragraph is rewritten.
Common Mistakes With Footnote Placement
Putting the Number Before the Period
This is the most common mistake when the footnote refers to the whole sentence.
Incorrect:
The evidence was convincing^1.
Standard:
The evidence was convincing.^1
Chicago and MLA both place ordinary note markers after punctuation.
Confusing Footnotes With Parenthetical Citations
A parenthetical citation often comes before the period.
For example:
The results were significant (Smith 24).
A footnote marker normally comes after the period.
The results were significant.^1
These systems look similar because both provide source information. Their punctuation rules are different.
Mixing Citation Styles
A paper might begin in Chicago and end up looking like APA.
That usually happens when writers copy examples from different websites without checking the required style.
Choose one system.
Follow it consistently.
Putting Every Footnote at the End of the Paragraph
A note should appear where its scope is clear.
If only one sentence needs documentation there is no reason to push the note to the end of a long paragraph.
The reader should not have to play detective.
Adding Footnotes to Headings
Footnote markers generally should not appear in headings.
Purdue OWL specifically states that APA footnote callouts should not occur in headings.
If a heading needs a source consider putting the information into the body text or following the publication’s specific instructions.
Using Too Many Footnotes
A page filled with footnote markers can become difficult to read.
Use notes when they serve a clear purpose.
Do not add one simply to make a paper look scholarly.
A strong source placed at the right point is more useful than a pile of unnecessary notes.
How To Decide Where the Footnote Goes
Use this simple editorial process.
- Identify what the note supports.
Does it support the entire sentence?
Does it support one clause?
Does it explain one word?
- Identify the required style.
Check your assignment instructions. Check your publisher guidelines. Check your journal requirements.
- Place the marker according to that style.
For a normal sentence in Chicago MLA or many other academic systems the marker follows the punctuation.
- Check the surrounding punctuation.
Make sure the marker does not interrupt the sentence unnecessarily.
- Check consistency.
Review several pages. Look for mixed placement.
This process takes less than a minute and prevents many formatting problems.
Footnote Placement After a Period
The standard pattern is easy to remember.
Write the sentence first. End it with the period. Then add the footnote marker.
For example:
The study found a strong connection between the two variables.^1
Another example:
The author reached this conclusion after reviewing the original documents.^2
Another:
The policy was revised several years later.^3
The footnote number comes after the sentence ending punctuation.
Footnote Placement Before a Period
The form below is generally not the standard choice when the note applies to the whole sentence:
The study found a strong connection between the two variables^1.
That placement can appear in specialized situations where the note refers specifically to a word or where a style guide gives a particular instruction.
It should not be treated as the general rule.
This distinction matters because online advice sometimes says footnotes always come after punctuation and other pages say footnotes can appear before punctuation. Both statements can contain part of the truth because the intended scope of the note matters.
The style guide remains the final authority.
What Style Guides Say
The strongest answer comes from actual publishing and academic style guidance rather than random grammar websites.
Chicago
The Chicago Manual of Style says note numbers normally appear at the end of the clause or sentence and after punctuation except the dash.
MLA
MLA places footnote and endnote numbers after the punctuation of the phrase or clause they reference. It gives a special rule for a long dash.
APA
APA places superscript footnote numbers after punctuation except a dash.
Oxford Academic
Oxford Academic journal instructions commonly show superscript footnote numbers after punctuation.
Cambridge
Cambridge author instructions also place footnote markers after punctuation and specifically identify the full stop as punctuation that comes before the note marker.
Australian Government Style Manual
The Australian Government Style Manual gives an example of a documentary note marker after the punctuation of the sentence.
Across these sources the general pattern is remarkably consistent.
Real Life Examples
The following examples show how the rule works in common writing situations.
Daily Academic Writing
The results support the original hypothesis.^1
The author provides several examples of this pattern.^2
The evidence comes from three independent sources.^3
The researchers repeated the experiment.^4
The argument has influenced later scholarship.^5
Workplace Reports
The company completed the review in June.^6
The audit identified several areas for improvement.^7
The department adopted the recommendation last year.^8
The report includes data from five regional offices.^9
The policy was updated after the investigation.^10
Academic Writing
The novel was published during a period of major social change.^11
The study challenges an assumption found in earlier research.^12
The theory became influential during the twentieth century.^13
The author draws on archival material throughout the chapter.^14
The findings support the central argument.^15
Historical Writing
The treaty was signed in 1919.^16
The agreement changed the political landscape of the region.^17
Later historians questioned this interpretation.^18
The original document is preserved in the national archive.^19
The correspondence reveals a different perspective.^20
These examples all use the same basic structure.
Sentence. Footnote marker.
That consistency makes the document easier to read.
A Simple Memory Trick
Remember this phrase:
Finish first. Reference second.
The sentence finishes with its punctuation.
The footnote marker comes next.
So:
Sentence.¹
Not:
Sentence¹.
Another useful way to think about it is that the period belongs to the sentence while the superscript belongs to the source system.
The sentence gets its ending.
Then the reader gets the reference.
This mental model works better than memorizing a complicated rule.
What About a Footnote Before a Comma
The same general principle applies.
In many academic styles the footnote marker follows the comma.
For example:
The first interpretation,¹ although widely accepted, has recently been challenged.
However this example highlights an important issue. The marker should sit where the note’s scope is clear.
If the note supports the entire sentence a marker at the sentence end may be clearer:
The first interpretation has recently been challenged.^1
The Chicago rule places note numbers after punctuation except a dash.
The goal is not to mechanically attach a superscript to every punctuation mark. The goal is to show readers what the note supports.
What About a Footnote Before a Question Mark
If the note refers to the complete question the question mark comes first.
For example:
Did the author intend this interpretation?¹
The same principle applies to an exclamation mark.
Did the evidence come from the original archive?¹
This keeps the sentence punctuation intact.
What About a Footnote Before a Closing Parenthesis
Parentheses require more care because different systems can have special instructions.
APA guidance gives specific rules for notes inside parentheses and for punctuation around footnote markers.
If your sentence contains nested punctuation check the official style guide rather than relying on a general rule.
This is one area where copying a simple internet example can create trouble.
Footnote Before or After Period in Legal Writing
Legal writing often uses footnotes heavily.
Legal publishers may follow systems such as Bluebook or OSCOLA. Those systems have their own detailed conventions.
The general pattern still often places the footnote marker after the sentence punctuation.
For example:
The court rejected the argument.^1
But legal citation has many specialized rules. A legal paper should follow the required legal citation manual rather than a general academic grammar guide.
This is especially important for cases statutes regulations and quoted authorities.
Footnote Before or After Period in Scientific Writing
Scientific papers generally rely on numbered references author date systems or other discipline specific citation methods rather than traditional literary footnotes.
If a scientific journal uses superscript notes its author instructions control the placement.
Do not assume that every numbered reference is a footnote.
A superscript number can point to a reference list rather than a footnote at the bottom of the page.
That distinction matters.
A citation system can look similar on the page while following different rules.
Footnotes and Superscript Numbers Are Not Always the Same Thing
A superscript number can serve different functions.
It may identify a footnote.
It may identify an endnote.
It may point to a reference list.
It may identify a mathematical value or other notation.
The placement rules depend on the function.
For a traditional footnote the marker normally follows sentence punctuation.
For a mathematical exponent the number belongs directly to the mathematical expression.
For example:
x²
That has nothing to do with footnote placement.
This is why the phrase superscript number alone does not tell you which punctuation rule to use.
Footnotes and Endnotes
Footnotes and endnotes work in much the same way.
A footnote appears at the bottom of the page.
An endnote appears in a notes section at the end of a chapter or document.
The in text marker follows the same basic punctuation logic.
For example:
The evidence was later challenged.^1
The corresponding note can appear at the bottom of the page or in an endnote section depending on the document format.
MLA allows both footnotes and endnotes.
When a Footnote Refers to a Clause
Sometimes a note supports only one clause rather than the entire sentence.
For example:
The policy was introduced in 1998,^1 although it was not fully implemented until 2001.
The marker appears after the comma because the note applies to the preceding clause.
This is more precise than placing the marker at the end of the sentence if the second clause contains a different claim.
Chicago guidance says note numbers should be placed at the end of the clause or sentence to which they refer.
That sentence is worth remembering.
Place the note where its scope ends.
For a whole sentence that usually means after the period.
For a clause it can mean after the clause punctuation.
When a Footnote Refers to One Word
A note may explain a specialized word.
For example:
The manuscript uses the term palimpsest¹ in a technical sense.
Some style systems permit this kind of word specific placement. Oxford Academic guidance notes that a marker can appear immediately after a specific word when the note comments on that word.
Still you should not use this option simply because it looks convenient.
Ask what the note actually supports.
If the source supports the whole statement the sentence ending is usually clearer.
The Role of Editorial Judgment
Rules give writers a framework. Good editing also requires judgment.
Imagine a sentence containing four separate claims.
A single footnote at the end might look neat but could leave the reader unsure which claims the source supports.
In that case the writer may need more precise placement or a rewritten sentence.
Good footnote placement is therefore not just punctuation.
It is information architecture.
The reader should be able to see the relationship between claim and source without stopping to decode the page.
That is one reason professional editors care about note placement.
Expert Editor’s Note
For ordinary academic writing the safest editorial rule is simple.
If the footnote supports the entire sentence put the footnote marker after the period.
Chicago explicitly supports this approach. MLA and APA also place ordinary note markers after punctuation. Oxford Academic and Cambridge publishing instructions follow the same general convention.
Do not treat that rule as a license to ignore scope.
If a note supports one clause place it where the clause ends according to your style guide.
If it supports one word check the style guide for word specific notes.
If your publisher or university provides its own instructions follow those instructions first.
Professional editing is not about forcing every sentence into one rigid pattern. It is about making the relationship between the text and its supporting material obvious.
That is the standard I would use when proofreading a research paper.
Common Questions
Does the footnote number go before or after the period
For a footnote that refers to the entire sentence the number normally goes after the period. For example: The evidence supports the claim.^1 Chicago MLA APA and many academic publishers follow this general convention. The exact rules can vary for specific punctuation or when the note refers only to a word or clause.
Should a footnote come before or after a comma
A footnote marker normally follows the comma in standard academic note systems when the note applies to the preceding material. However the marker can instead appear at the end of the sentence if the source supports the complete sentence. Always check your required style guide for special cases.
Does MLA put footnotes after the period
Yes. MLA places footnote and endnote numbers after the punctuation of the phrase or clause they reference. A note at the end of a normal sentence therefore follows the period. MLA has special treatment for a long dash so writers should check the official rules for unusual punctuation.
Does Chicago put the footnote before or after the period
Chicago normally places the footnote number after the period. Its guidance says note numbers should appear at the end of the clause or sentence and after punctuation except the dash. This is the standard pattern for Chicago notes bibliography writing.
Does APA put footnotes after punctuation
Yes. APA places superscript footnote numbers after punctuation except a dash. APA generally uses footnotes for content notes and copyright information rather than ordinary source citation.
Can a footnote number come before the period
It can in specific situations depending on the style guide and what the note refers to. A note attached to a particular word or clause may be placed directly after that material. For a normal note supporting an entire sentence the standard academic pattern is to place the number after the period.
Should the footnote number go inside quotation marks
In many academic systems the footnote marker follows the closing quotation mark when the note refers to the quotation or sentence. Chicago and MLA provide detailed rules for quotation and note placement. Always check the required style because quotation punctuation and note rules can interact.
Does a footnote go after a question mark
Yes. If the footnote refers to the entire question the question mark comes first and the footnote marker follows it. For example: Did the study produce the same result?¹ The punctuation closes the question before the source marker appears.
Is a footnote the same as an in text citation
No. A footnote is a note connected to a superscript marker and usually appears at the bottom of the page. An in text citation remains inside the main sentence. APA parenthetical citations provide a clear example of the difference because the citation normally appears before the final period.
Should I follow Chicago or my university rules
Follow your university instructions if they specify a required style. A university may require Chicago APA MLA or another system. If your department provides additional formatting rules those instructions can also matter. The safest approach is to identify the required style before formatting your footnotes.
Related Terms To Know
Understanding a few related terms can make academic writing much easier.
Footnote means a note placed at the bottom of a page.
Endnote means a note collected at the end of a chapter or document.
Footnote marker means the superscript number or symbol in the main text.
Citation means information that identifies a source.
Bibliography means a list of sources used or consulted in a work.
Reference list means the source list used by certain citation systems.
Superscript means text or numbers positioned above the normal text line.
These terms overlap in everyday conversation but they do not mean exactly the same thing.
Internal Linking Opportunities
For an English learning website you could naturally link this article to how to use commas correctly after the introduction. That topic helps readers understand punctuation placement before they deal with footnotes.
Before the conclusion you could link to period vs full stop in American and British English. That gives readers useful context about the terminology used for sentence ending punctuation.
These links work best when the surrounding article genuinely discusses punctuation rather than adding internal links simply for SEO.
Many readers also check Simpler Or More Simple Which Form Is Correct 2026.
Final Takeaway
The answer to footnote before or after period is straightforward in the normal case.
Put the footnote number after the period when the note applies to the whole sentence.
Write:
The evidence supports the conclusion.^1
Not:
The evidence supports the conclusion^1.
Chicago states this rule clearly. MLA and APA follow the same general pattern for ordinary footnote markers. Oxford Academic and Cambridge publications also commonly place superscript note numbers after punctuation.
The important exception is scope. A footnote that supports only one clause or word may need a different placement depending on the style system.
So before moving the superscript around ask one simple question.
What exactly does this note support?
Once you answer that question the punctuation usually falls into place.
Senior Grammar Editor
Olivia Reynolds is a grammar editor and language writer who enjoys making complex English rules easy to understand. She specializes in grammar, punctuation, sentence structure, and everyday writing tips, helping readers write with greater confidence and clarity.