How To Use The Et Al
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.
How to use the et al. Can be used in all citations including the first. There is no punctuation after the et and there is always a period after the al. As such the first citation should spell out all their names and any subsequent citation can include et al. Follow the first writer s name with a comma. The use of et al is the same in both styles.
Follow the comma with 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. With in text citation is there. Do not use any of the other writers names. Any time you have more than two authors the potential for using et al.
After the first author. According to the apa it should only be used when there are two or more authors. On the subsequent citations for three four or five authors. Use the first writer s last name.