http://jerz.setonhill.edu/writing/ac...mla_style.html
Found this site, and it has great instructions on how to format your paper MLA style using Microsoft Word.
I think it may be specific to older versions than Word 2008, but I followed the directions with 2008 and it worked perfectly.
Nastadon also posted this site, which is supposed to be pretty good too.
http://owl.english.purdue.edu/owl/resource/557/01/
-Shmads
Edit:
This site isn't about creating a works cited page. To do that, I suggest using easybib.com.