The MLA style traditionally changes from year to year, so you should really check online for the most recent style guide. Usually, the authors last name is listed first, or the title if no author is available.
Well you just need to add or insert a number and then at the bottom of the page you want to include the information of the source that you are quoting. For a detailed style of writing end notes you might want to visit the university of purdue website for MLA style.
