MLA

Hughes, Langston, 1902-1967. Allen, Betty. Box 1 (Oversize), folder 4. 1893-1954. https://collections.library.yale.edu/catalog/16195295.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 1 (Oversize), folder 4"])(1893-1954)[Allen, Betty]. https://collections.library.yale.edu/catalog/16195295.