How To Use The Et Al
For sources with four or more authors use the first name followed by et al in your chicago style reference list or bibliography list up to 10 authors.
How to use the et al. With in text citation is there. According to the apa it should only be used when there are two or more authors. After the first author. Can be used in all citations including the first. Any time you have more than two authors the potential for using et al.
Use the first writer s last name. 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. For six or more authors the first author and et al. Follow the first writer s name with a comma. For sources with one two or three authors list all author names in your in text citations whether footnotes or author date.
On the subsequent citations for three four or five authors. As such the first citation should spell out all their names and any subsequent citation can include et al. Do not use any of the other writers names. Use the first writer listed on the source material.