If you are citing a source that has multiple authors, follow these basic steps.
2 Authors:
Always cite both authors' names in-text every time you reference them. Example: Johnson and Smith (2009) found...
3 or More Authors:
If a document has three or more authors, simply provide the last name of the first author with "et al." from the first citation to the last.
Example:
Thomas et al. (2007) likened abnormal psychology to...
... distractions (Thomas et al., 2007).
