The following resources cover at least two of the following styles for citing sources: MLA, APA, Chicago, Sociology, Council of Science Editors, & IEEE:
Created by the Writing Center at the University of Wisconsin--Madison, this resource provides examples for APA, MLA, Chicago, Council of Science Editors, APSA (American Political Science Association), and IEEE.
Created by UST Librarian Marianne Hageman, this page identifies guides which provide citation examples for business resources using MLA, APA and Chicago styles.