To get you started, check out the overview of how to cite your basic sources.
If you want to see examples of how different types of sources are cited, from television shows to legal documents and more, check out Appendix 2 of the MLA handbook, which you can access online or in-print!
Purdue OWL also provides guidance, including on how to cite websites web pages, and images found online.
MLA 9 is the current edition! There are very few changes to the style between versions 8 and 9; if you'd like to check the examples in the book, you can find it on reserve at the Information and Borrowing Desk!
MLA Handbook (9th edition) by