What is the main difference between APA and MLA?

The main difference is in-text citation format. APA uses author-date: (Smith, 2023). MLA uses author-page: (Smith 45). This reflects their disciplinary priorities: APA emphasizes recency of research (date matters), while MLA emphasizes locating specific passages (page numbers matter).

When should I use APA vs MLA?

Use APA for psychology, education, social sciences, business, nursing, and STEM fields. Use MLA for English, literature, cultural studies, philosophy, and other humanities disciplines. Always follow your professor's or journal's specific requirements, as some courses may use a style atypical for their field.

Do APA and MLA both require a title page?

APA requires a title page with the paper title, author name, institutional affiliation, course number, instructor name, and due date (for student papers). MLA does not use a title page by default. Instead, MLA places the student's name, instructor, course, and date on the first page before the title.

How do APA and MLA handle et al. differently?

In APA 7th edition, use et al. from the first citation for works with three or more authors: (Smith et al., 2023). In MLA 9th edition, use et al. for works with three or more authors as well: (Smith et al. 45). Both styles now align on the three-author threshold, though APA 6th edition previously required listing up to five authors on first mention.

How are DOIs formatted in APA vs MLA?

APA requires DOIs in the reference list formatted as https://doi.org/xxxxx. MLA also recommends including DOIs, formatted the same way (https://doi.org/xxxxx), placed at the end of the Works Cited entry. Both styles now agree on using the URL-style DOI format rather than the older doi: prefix.

What is the reference list called in APA vs MLA?

APA calls it 'References.' MLA calls it 'Works Cited.' Beyond the name, the formatting differs: APA entries begin with the author's last name and initials (Smith, J. A.), while MLA uses the full first name (Smith, John Allen). APA lists publication year immediately after the author; MLA places the date near the end of the entry.

Can I convert between APA and MLA automatically?

Yes. Citation management tools can reformat references between styles. PapersFlow's citation generator supports both APA and MLA and can switch between them instantly. Zotero and other reference managers also support style switching. However, always verify the output — automated conversions occasionally miss edge cases.

Which citation style is more commonly used?

APA is the most widely used citation style globally, particularly because it dominates in the social sciences, education, and many STEM fields. MLA is the standard in humanities and literature departments. Chicago/Turabian is the third most common style, used in history and some social sciences.

Research Article

MLA vs APA: Key Differences Explained with Side-by-Side Examples (2026)

Clear comparison of APA 7th edition and MLA 9th edition citation styles. Side-by-side examples, formatting rules, and when to use each style for your papers.

APA (7th edition) uses author-date citations and is standard in psychology, education, and social sciences. MLA (9th edition) uses author-page citations and is standard in humanities and literature. The key differences are in-text format, reference list structure, title page requirements, and DOI handling. This guide shows the same sources cited in both styles so you can see exactly how they differ.

MLA vs APA: Key Differences Explained with Side-by-Side Examples

TL;DR: APA (7th edition) uses author-date citations and is standard in psychology, education, and social sciences. MLA (9th edition) uses author-page citations and is standard in humanities and literature. The key differences are in-text format, reference list structure, title page requirements, and DOI handling. This guide shows the same sources cited in both styles.

Mixing up APA and MLA is one of the most common citation mistakes in academic writing. They look similar enough to confuse, but different enough that using the wrong format will cost you marks or trigger a desk rejection. The differences go beyond just parentheses — they reflect fundamentally different priorities in how scholarship works across disciplines.

This guide puts APA 7th edition and MLA 9th edition side by side with identical sources so you can see exactly where they diverge.

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Research tools See the AI workflows PapersFlow supports. Compare PapersFlow Switching guides for Elicit, Zotero, Overleaf, and more. Use cases by field Find discipline-specific research workflows.

Frequently Asked Questions

What is the main difference between APA and MLA?: The main difference is in-text citation format. APA uses author-date: (Smith, 2023). MLA uses author-page: (Smith 45). This reflects their disciplinary priorities: APA emphasizes recency of research (date matters), while MLA emphasizes locating specific passages (page numbers matter).
When should I use APA vs MLA?: Use APA for psychology, education, social sciences, business, nursing, and STEM fields. Use MLA for English, literature, cultural studies, philosophy, and other humanities disciplines. Always follow your professor's or journal's specific requirements, as some courses may use a style atypical for their field.
Do APA and MLA both require a title page?: APA requires a title page with the paper title, author name, institutional affiliation, course number, instructor name, and due date (for student papers). MLA does not use a title page by default. Instead, MLA places the student's name, instructor, course, and date on the first page before the title.
How do APA and MLA handle et al. differently?: In APA 7th edition, use et al. from the first citation for works with three or more authors: (Smith et al., 2023). In MLA 9th edition, use et al. for works with three or more authors as well: (Smith et al. 45). Both styles now align on the three-author threshold, though APA 6th edition previously required listing up to five authors on first mention.
How are DOIs formatted in APA vs MLA?: APA requires DOIs in the reference list formatted as https://doi.org/xxxxx. MLA also recommends including DOIs, formatted the same way (https://doi.org/xxxxx), placed at the end of the Works Cited entry. Both styles now agree on using the URL-style DOI format rather than the older doi: prefix.
What is the reference list called in APA vs MLA?: APA calls it 'References.' MLA calls it 'Works Cited.' Beyond the name, the formatting differs: APA entries begin with the author's last name and initials (Smith, J. A.), while MLA uses the full first name (Smith, John Allen). APA lists publication year immediately after the author; MLA places the date near the end of the entry.
Can I convert between APA and MLA automatically?: Yes. Citation management tools can reformat references between styles. PapersFlow's citation generator supports both APA and MLA and can switch between them instantly. Zotero and other reference managers also support style switching. However, always verify the output — automated conversions occasionally miss edge cases.
Which citation style is more commonly used?: APA is the most widely used citation style globally, particularly because it dominates in the social sciences, education, and many STEM fields. MLA is the standard in humanities and literature departments. Chicago/Turabian is the third most common style, used in history and some social sciences.

MLA vs APA: Key Differences Explained with Side-by-Side Examples (2026)

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