Use “et al.” in in-text citations when a source has three or more authors, if your style guide allows it
Place “et al.” after the first author’s name
Include a period after “al.” because it is an abbreviation
Do not italicize “et al.”
Use it only when citing people, not organizations, unless your style guide says otherwise
Follow the specific rules of your citation style, such as APA, MLA, or Chicago
In APA, use “et al.” for sources with three or more authors in in-text citations
In MLA, use “et al.” for sources with three or more authors in in-text citations
In Chicago author-date style, use “et al.” for sources with four or more authors in in-text citations
In reference lists or bibliographies, list all authors unless your style guide permits truncation
Keep the punctuation and spacing exactly as required by your style guide
Use “et al.” only after the first author’s name, not after every author listed
Do not write “et. al.” or “et al” without the period
Use “et al.” consistently throughout the document