NoodleBib (or NoodleTools) is an online system for helping you create your MLA citations and works cited page.
Writers Workshop: Writers Resources (Univ. of Illinois at Urbana-Champaign)
Research and Documentation Online -- Humanities (MLA) (Hacker)
Online Writing Lab (OWL): MLA formatting and Style Guide (Purdue Univ.)
OWL Writing Lab (OWL): MLA Works Cited: Other Common Sources (Purdue Univ.) -- images, films, movies, broadcast TV or radio programs, sound recordings