MLA

Hughes, Langston, 1902-1967. Huntley, Jobe. Box 469, folder 11526. n.d.. https://collections.library.yale.edu/catalog/33548849.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 469, folder 11526"])(n.d.)[Huntley, Jobe]. https://collections.library.yale.edu/catalog/33548849.