Easy Bib Citation generator makes it easy to properly cite your sources.
Installing the toolbar allows you to cite the current web site with one click.
The Modern Language Association, the creators of MLA style, have a guide to Formatting a Research Paper. The Interactive Practice Template is a good way to get accustomed to the which elements belong in a citation.
The online writing lab ("OWL") at Purdue University has an excellent guide to formatting a research paper in proper MLA format. The sample paper on this site is very helpful when formatting a research paper.