For a guide to citation in MLA Style, use the Writing and Citing LibGuide - All about MLA from Berkeley's Center for Academic Success. It provides a guide to all MLA style citation formats, which were updated and simplified in 2016 with the 8th edition of the MLA Handbook.
You can find the library's 'Writing and Citing Libguide' via the library on Engage, use the 'Research Guides' button and search 'Writing and Citing'.