Here's a link to the Purdue OWL page on MLA style. If you look to the box on the left side of the page, you'll find the MLA in-text citations and works cited information pages.
Here's the link to the document the graphic below came from. It was created at the LaGuardia Community College Library Media Resources Center.
Elements of MLA Citations
This graphic depicting MLA style citations was so good I just had to put it in this guide. The link to the document, which has much more information on citation basics and works cited lists, is above.
Extra Stuff: Citation Management!
If you have a large project or need to keep track of references for a bunch of different classes, you may want to try a citation management tool. These two are free!