The Citation Styles LibGuide provides a detailed overview of how to use various citation styles. Stylebooks can also be borrowed for library use - just ask at the desk.
The Purdue OWL is another helpful resource. In addition to detailed information about citing sources in MLA and APA, the OWL includes examples of citations for different resource types.
The 9th edition of the MLA Handbook was published in 2021. In this update, the format for both in-text and Works Cited citations is the same as the 8th edition. The 9th edition also includes this clarification on citing a film/DVD.
Generally list film directors as key contributors in the Contributor element
Blade Runner. 1982. Directed by Ridley Scott, director’s cut, Warner Bros., 1992.