MLA

Hughes, Langston, 1902-1967. Draft, holograph and typescript, corrected. Box 327, folder 5341. n.d.. https://collections.library.yale.edu/catalog/17034052.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 327, folder 5341"])(n.d.)[Draft, holograph and typescript, corrected]. https://collections.library.yale.edu/catalog/17034052.