USM's Academic Integrity Policy is one reason, but not the only one.
We cite in order to:
Many of our databases provide you with help formatting your citations according to APA, MLA, or other citation styles.
In the EBSCO databases (Academic Search Complete, Historical Abstracts, PsycInfo), when you print, email, or save your citations, you can change the setting from the default "standard field format" to "citation format", and then choose the style you want.