Online sources for MLA style:
MLA Style : The Purdue OWL
This is one of the most useful online crib sheets for MLA Style - it provides numerous examples for various types of publications and it includes a sample paper illustrating the proper way to format a research paper and cite sources.
MLA Style Center provides learning resources and a searchable FAQ answered by the staff at the MLA.
An internet search will find other online crib sheets, but when in doubt, check against the MLA Handbook or ask a Librarian. For complete details on citing sources with MLA style, consult the MLA Handbook for Writers of Research Papers, 7th ed. Print copies are available at the Baker-Berry Reference Desk and in the Reference collection at call number LB2369 .G53 2009. Additional copies are available at the Reserve Desk in the Orozco Room in Baker Library. Generally, MLA style uses in-text parenthetical citations with a list of works cited. If your instructor requires you to use footnotes or endnotes, consult Appendix B of the MLA Handbook.