For articles found in many databases, included will be the citation information so that you don't need to create it yourself. It's real time saver!
Look for a link on the side or top that says "Cite."
See also the MLA Citation Guide
Help materials supplied by the database vendors.
WGSN (2014 Cheatsheet)
Guides created by Otis College and by other institutions:
Otis College of Art and Design | 9045 Lincoln Blvd. Los Angeles, CA 90045 | MyOtis
Millard Sheets Library | MyOtis | 310-665-6930 | Ask a Librarian