How Many Authors Do You Need To Use Et Al
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If there are at least six authors then you may use et al from the first mention.
How many authors do you need to use et al. Meaning and others is used to shorten in text citations with three or more authors. And articles with six or more authors are abbreviated to the first author name plus et al. For more than three authors a practice also favored by the chicago manual of style 2 whereas cambridge university press for its stm science technology medicine books says. If you re instructed to follow the 6th edition the use of et al is slightly different. How to write and publish a scientific paper 1 summarizes current practice as using et al.
For both the first and subsequent in text citations both the authors should be listed out as dalton wade 1989. Citations to works with three authors can either. Can be used in all citations including the first. Apa format requires that you cite all of the authors at the first mention if there are three four or five and use et al afterward. In apa 7 for a work with three or more authors list the first author and et al for all citations including the first citation unless doing so would create ambiguity.
Don t use et al. If there are fewer than three authors. The abbreviation et al. For six or more authors the first author and et al. 1 give all three names the first time and thereafter use et al.
If the work has four or more authors editors the abbreviation et al should be used after the first author s name. Specifically articles with one or two authors include all names in every in text citation. Social acceptance of carbon capture and storage is necessary for the introduction of technologies van alphen et al 2007. The usage of et al. For all in text citations.
Should be avoided because et al. Always refers to plural authors and dalton et al 1989 would indicate two authors aside from dalton. For sources with three to five authors list all the authors the first time and use et al only in subsequent citations. For three to five authors all names must be listed within the first citation but all following citations can include just the name of the first author and et al. Only include the first author s last name followed by et al a comma and the year of publication for example taylor et al 2018.