University Libraries maintains these guides to citation format.
The Writing Center also provides citation-formatting assistance to Ball State students. Their main location is in Robert Bell Building Room 295 and they maintain an additional location on Bracken Library's first floor. Help is available in person, by chat, or by appointment.
As their name implies, the Writing Center supports students in performing all sorts of writing tasks - not just formatting citations!
For hours and more information, the Writing Center's Website is here:
University Libraries holds copies of several style guides, including APA, Chicago, and MLA. The most recent editions are in the Reference Collection on the east side of Bracken Library's first floor. The Libraries also have access to an electronic edition of the Chicago Manual of Style.