In MLA style, always use “et al.” for sources with three or more authors. (Smith, Sanchez, Davies, Baldwin, & Caulfield, 2016) For sources with six or more authors, use “et al.” from the first citation. For sources with three to five authors, list all the authors the first time, and use “et al.” only in subsequent citations. The rules for APA 6 in-text citations are slightly different. When a source has more than 20 authors, list the first 19, then an ellipsis (…), then the final name: Example: APA reference entry with 21+ authorsMcDonnell, F., Davidson, M., Singh, J., Clobus, R., Davies, R., Eliot, A., McCombes, S., Caulfield, J., Streefkerk, R., Corrieri, L., LaBrode, M., Theel, M., Swaen, B., Debret, J., Jonker, S., Driessen, K., Baldwin, I., Bevans, R., Bhandari, P., … Peters, H. When there are three or more authors, cite the first author followed by “et al.” “Et al.” in APA 7 Number of authorsĭon’t use “et al.” in the reference list. In APA 7 in-text citations, when a source has two authors, list both. Frequently asked questions about "et al."ĪPA Style has slightly different rules for using “et al.” depending on whether you’re following the 6th or 7th edition.
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