Look at the information itself. Does it tell you how to cite it?
Use Noodletools NoodleBib Express in MLA format.
Keep your information window open while you work in Noodletools.
You may be looking at a general website, or a print source available on the web. It will ask you whether it was from a online database, and the name of the database. Fill in all information and let Noodletools generate the citation.