MLA

Hughes, Langston, 1902-1967. Front, draft, typescript. Box 426, folder 9468. n.d.. https://collections.library.yale.edu/catalog/10927622.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 426, folder 9468"])(n.d.)[Front, draft, typescript]. https://collections.library.yale.edu/catalog/10927622.