et
et — abbreviation
1. used in the citation form 'et al.' after a surname to show that a book, article,
used in the citation form 'et al.' after a surname to show that a book, article, or study had other authors besides the one named.
The report lists Park et al. as the first source on page nine.
surname + et al. in a source citation
In her essay, Sirin quoted Ahmed et al. on climate policy.
used inside academic writing and citation discussion
The footnote says Okafor et al. tested the drug in mice.
Brian found Lopez et al. in the reading list for class.
Camila added Watanabe et al. after the second sentence in her draft.
- and others
plain English wording, used outside formal citation style
- and colleagues
ordinary prose for co-workers or collaborators, not a set citation marker
文法句型
[surname] et al.
用法筆記
Almost always follows a surname inside a reference or in-text citation, and it usually appears as part of 'et al.' with a period after 'al.'. Use it in formal academic or legal writing, not in ordinary conversation.