MLA

Hughes, Langston, 1902-1967. Rhodes, Peter. Box 136, folder 2534. 1945-64. https://collections.library.yale.edu/catalog/32468805.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 136, folder 2534"])(1945-64)[Rhodes, Peter]. https://collections.library.yale.edu/catalog/32468805.