Zotero is a free research tool that allows you to easily organize references, create in-text citations and bibliographies, and much, much more!
Learn more at Zotero.org or visit the Smith Libraries guide to Zotero.
Example of an encyclopedia entry for a bibliography:
Blee, Kathleen M. "Antifeminism." In The Reader’s Companion to U.S. Women’s History, edited by Wilma Pearl Mankiller, 31-33. Boston: Houghton Mifflin, 2000.