MLA

Hughes, Langston, 1902-1967. Benga, Feral. Box 2 (Oversize), folder 15. 1893-1954. https://collections.library.yale.edu/catalog/16195304.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 2 (Oversize), folder 15"])(1893-1954)[Benga, Feral]. https://collections.library.yale.edu/catalog/16195304.