How To Use Et Al In Text Citation

For four to ten authors write out all names in the bibliography but only the first author s name followed by et al in in text citations.

How to use et al in text citation. For more than ten authors only the first seven are listed in the bibliography but the first author s name followed by et al is used in in text citations. Include the surname of the first author followed by et al if the source you re citing has 4 or more authors type the surname of the first author listed on the title page followed by a space and the abbreviation et al then type a space and add the year the source was published. Chicago manual of style cms. Note that this rule has changed from apa 6 guidelines on using et al which recommend listing all author names in the first citation up to five authors but then using et al for the second and subsequent citations. For sources with one two or three authors list all author names in your in text citations whether footnotes or author date.