How to specify a work’s location depends on the format of the work. For paginated print materials, the location is the page range. For online works, the location is the DOI, permalink, or URL.
Ex. Copeland, Edward. “Money.” The Cambridge Companion to Jane Austen, edited by Copeland and Juliet McMaster, Cambridge UP, 1997, pp. 131–48.
Ex. Austen, Jane. Pride and Prejudice. Harcourt, Brace and World, 1962. HathiTrust Digital Library, hdl.handle.net/2027/osu.32435004226296.
From MLA Handbook, 9th ed., Ch. 5.84 Location: What It Is
