How To Use The Et Al
Follow the comma with et al.
How to use the et al. Can be used in all citations including the first. 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. After the first author. Use the first writer s last name. As such the first citation should spell out all their names and any subsequent citation can include et al.
With in text citation is there. On the subsequent citations for three four or five authors. Follow the first writer s name with a comma. Use the first writer listed on the source material. Do not use any of the other writers names.
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. For six or more authors the first author and et al. There is no punctuation after the et and there is always a period after the al. The use of et al is the same in both styles.