The location element refers to page number or page numbers in a print resource or the web address (URL) or a digital object identifier (DOI) for online resources.
For a single page, use p., for a range of pages use pp.
If available, cite the DOI rather than a URL.
"If your source offers URLs that it says are stable (sometimes called permalinks), use them in your entry. (MLA Handbook, 8th ed., p. 48)
This element ends with a period.
For more information, refer to pages 46-50 of the MLA Handbook, 8th ed.