If you're short of time, these resources are your best bets for the topic:
Marquette University's 4.5 minute video to explain MLA containers used in the 8th and 9th editions.
Unless you are told otherwise by your instructor, format your paper according to the following MLA Style rules:
In-text citations, also called parenthetical citations, show the reader where you got your information. The citation will begin with the same entry words as the Works Cited citation.
Each entry in the list of works cited is composed of facts common to most works—the MLA core elements. They are assembled in a specific order. Not all elements are present in each citation.
[taken from https://style.mla.org/works-cited-a-quick-guide/]
Learn how to use the MLA practice template to create entries in the list of works cited.
[taken from https://https://style.mla.org/interactive-practice-template/]