MLA

Hughes, Langston, 1902-1967. Cooley, Howard. Box 3 (Oversize), folder 36. 1893-1954. https://collections.library.yale.edu/catalog/16195670.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 3 (Oversize), folder 36"])(1893-1954)[Cooley, Howard]. https://collections.library.yale.edu/catalog/16195670.