The 8th edition of the MLA Handbook is now available. The new style guidelines for the works-cited list have been simplified. It's no longer necessary to consider the publication format of the work being cited. Instead, create an entry using MLA's list of core elements, in the order specified.
Consult the following resources for help using MLA's 8th edition:
MLA's Core List of Elements
Video from Western Libraries, 2012.
Video from BMS LMC, 2016.
Video from History Skills, 2019.