Phillips Library has copies of style guides (APA, MLA, Chicago/Turabian, et al) available at the Information Desk. Here are links to relevant online guides:
The Writing Center will help you with drafting, revising, editing, & documenting sources. Phone (301)447-5367 for more information.
Phillips Library has a location for the Writing Center on the main floor. Staffed Sunday through Thursday evenings from 7:00 pm to 10:00 pm. Tutors are available to help and walk-ins are welcome.