Parenthetical Citations Explained

Parenthetical citation is a brief source credit placed in parentheses inside your sentence, giving the author and either a year (APA) or a page number (MLA) so readers can find the full entry in your reference list or works-cited page.

This guide follows the current APA (7th edition), MLA (9th edition), and Chicago 18th edition manuals. Our free generator builds every format for you using the open-source CSL engine trusted by academic reference managers.

What is a parenthetical citation?

A parenthetical citation is a short, in-text source credit enclosed in parentheses, containing just enough information — usually the author’s surname plus a year or page number — to point readers to the matching full entry at the end of your paper. It sits inside the sentence it supports.

Every style uses parenthetical citations to connect a specific claim, paraphrase, or quotation to its source without breaking the flow of your prose. The parenthetical is deliberately minimal; the complete publication details live in your reference list, works-cited page, or bibliography. Because the two work as a pair, the first element inside the parentheses must match the first word of the corresponding full entry.

APAAdolescents underreport screen time by roughly 40% (Kim, 2021, p. 88).

MLAAdolescents underreport screen time by roughly 40% (Kim 88).

Parenthetical vs. narrative citation: what is the difference?

The difference is where the author’s name appears. In a parenthetical citation the author and date sit together inside the parentheses; in a narrative citation the author’s name is woven into the sentence itself, and only the remaining detail — the year or page — stays in parentheses. Both are in-text citations.

Choosing between them is a stylistic decision. Use a narrative citation when the author is the subject of your sentence, and a parenthetical citation when you want the evidence to lead without naming the researcher in your prose.

Type APA example MLA example
Parenthetical Sleep improves recall (Torres, 2020). Sleep improves recall (Torres 42).
Narrative Torres (2020) found that sleep improves recall. Torres found that sleep improves recall (42).

How do you write a parenthetical citation in APA?

In APA 7th edition, a parenthetical citation contains the author’s surname and the publication year separated by a comma: (Author, Year). For a direct quotation you add the page number with the abbreviation p. (or pp. for a range), giving (Author, Year, p. 15).

APA requires the year in every in-text citation, whether you paraphrase or quote. Page numbers are mandatory only for direct quotations, though they are encouraged for paraphrases of a specific passage.

Authors Parenthetical form
One author (Nguyen, 2022)
Two authors (Nguyen & Silva, 2022)
Three or more (Nguyen et al., 2022)
Group/organization (World Health Organization, 2021)
Direct quotation (Nguyen, 2022, p. 15)

Note that APA joins two authors with an ampersand (&) inside the parentheses, and uses et al. for works with three or more authors from the very first citation.

How do you write a parenthetical citation in MLA?

In MLA 9th edition, a parenthetical citation contains the author’s surname and the page number with no comma and no p. abbreviation between them: (Author 15). MLA is page-focused rather than date-focused, so the year appears only in the works-cited entry, never in the in-text citation.

If your sentence already names the author, drop the surname and keep only the page number, as in (15). When a source has no page numbers — a webpage, for example — cite the author alone rather than inventing a number.

Authors Parenthetical form
One author (Okafor 210)
Two authors (Okafor and Reyes 210)
Three or more (Okafor et al. 210)
No page numbers (Okafor)

MLA spells out the word and between two authors inside the parentheses, unlike APA’s ampersand — a small but frequently graded distinction.

How does Chicago handle parenthetical citations?

Chicago’s author-date system uses a parenthetical citation of author, year, and — for a specific passage — a page number with no p.: (Author Year, 15). Chicago’s other system, notes-bibliography, replaces parentheticals with superscript numbers and footnotes, so parenthetical citations belong to author-date only.

Chicago author-dateMigration patterns shifted after 1995 (Bianchi 2019, 77).

The comma falls between the year and the page number, and multiple authors are joined with and. If you are using footnotes, you will not write parenthetical citations at all.

How do you cite no author or multiple sources?

When a source has no named author, move the title into the author position, shortened and capitalized; when you cite several sources at once, list them inside one set of parentheses separated by semicolons. These two situations trip up most writers, so treat them as distinct rules.

No author

Use a shortened title in place of the surname. Put the title in quotation marks if the full entry is an article or webpage, or in italics if it is a book or report.

APA(“Climate Adaptation,” 2023)

MLA(“Climate Adaptation” 4)

Multiple sources

APA orders the works alphabetically and separates them with semicolons. MLA also separates with semicolons but keeps each author-page pair intact.

APA(Adler, 2018; Beltran, 2020; Cho, 2022)

MLA(Adler 12; Beltran 47)

Do quotes and paraphrases cite differently?

Direct quotations and paraphrases both need a parenthetical citation, but the page number rules differ by style. A direct quote reproduces exact wording inside quotation marks and always benefits from a page or location. A paraphrase restates an idea in your own words and still requires the same author-and-date or author-and-page credit.

  • APA: a page number is required for quotations and encouraged for paraphrases so readers can locate the passage.
  • MLA: a page number is required for both quotations and paraphrases whenever the source is paginated.
  • Long quotations (40+ words in APA, more than four lines in MLA) become a block quote with no quotation marks; the citation sits after the closing punctuation.

Paraphrasing does not remove the need to cite. Reusing a source’s structure or ideas without credit is still plagiarism, even when every word is your own.

In-text citation styles compared

An in-text citation is the umbrella term; a parenthetical citation is the bracketed form of it. The three major styles pair different information, so the same source produces a different in-text citation in each.

Style Core elements Parenthetical example Typical fields
APA 7th Author, year (Garcia, 2021) Psychology, sciences, education
MLA 9th Author, page (Garcia 42) Literature, humanities, arts
Chicago (author-date) Author, year, page (Garcia 2021, 42) Social sciences
Chicago (notes) Footnote number — not parenthetical text.1 History, humanities

Note the last row: Chicago’s notes-bibliography system does not use parenthetical citations at all. It places a superscript number in the text and puts the source in a footnote. Only Chicago’s author-date system produces the bracketed form shown above.

What are the most common parenthetical citation mistakes?

The most common errors are misplacing the closing punctuation, mixing style conventions, and mismatching the parenthetical to its full entry. Each is easy to fix once you know the rule, and each is a frequent point deduction in graded work.

  • Period placement. In a running sentence the parenthetical comes before the final period: … recall (Torres, 2020). With a block quotation of 40+ words (APA) or over four lines (MLA), the citation comes after the closing period.
  • Wrong connector. APA uses & inside parentheses; MLA uses and. Swapping them is a style error even when the names are correct.
  • Adding “p.” in MLA. MLA never uses p. in the parenthetical — write (Torres 42), not (Torres, p. 42).
  • Mismatched first element. The first word in the parentheses must match the first word of the works-cited or reference entry, so readers can locate it alphabetically.

How accurate is this guide, and what are its limits?

This guide reflects the current published editions — APA 7, MLA 9, and Chicago 18 — and every example follows those manuals exactly. Still, edge cases exist that no short guide can fully cover, so treat automated output as a strong draft rather than a final authority.

Unusual sources — legal materials, ancient texts with section markers, interviews, social media, or works with the same author and year — carry special rules that your instructor’s assignment sheet may modify. Our generator handles the vast majority of common source types accurately, but you should always proofread the first element and the punctuation against your reference list. When your institution specifies a house style, that style overrides the general manual.

Frequently asked questions

What is a parenthetical citation?

A parenthetical citation is a brief source credit placed in parentheses within your sentence. It contains the author’s surname plus a year (APA) or page number (MLA), pointing readers to the full entry in your reference list or works-cited page.

What is the difference between a parenthetical and an in-text citation?

“In-text citation” is the umbrella term for any source credit inside your text. A parenthetical citation is one kind of in-text citation — the kind that puts the author inside parentheses rather than naming them in your sentence, which would make it a narrative citation.

Do parenthetical citations need page numbers?

MLA requires a page number whenever one exists. APA requires a page number only for direct quotations, though it recommends one for a paraphrase of a specific passage. If a source has no pages, cite the author alone.

Where does the period go with a parenthetical citation?

For a normal sentence, the period goes after the closing parenthesis: … recall (Torres, 2020). For a block quotation, the period goes before the parenthetical citation instead.

How do you write a parenthetical citation with no author?

Replace the author’s surname with a shortened title. Use quotation marks for articles and webpages, or italics for books and reports, keeping the capitalization consistent with the full entry — for example, (“Climate Adaptation,” 2023) in APA.

Can you put two sources in one parenthetical citation?

Yes. List them inside one set of parentheses separated by semicolons. APA orders the works alphabetically, as in (Adler, 2018; Cho, 2022), while MLA keeps each author-and-page pair together, as in (Adler 12; Beltran 47).