MLA

Hughes, Langston, 1902-1967. "Christians and Communists," draft, typescript, corrected. Box 417, folder 9177. n.d.. https://collections.library.yale.edu/catalog/17034131.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 417, folder 9177"])(n.d.)["Christians and Communists," draft, typescript, corrected]. https://collections.library.yale.edu/catalog/17034131.