MLA

Hughes, Langston, 1902-1967. "On Whitman Avenue" [1946 Jun 22], drafts, holograph, carbon, corrected and printed version. Box 406, folder 8330. 1946, n.d.. https://collections.library.yale.edu/catalog/31919160.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 406, folder 8330"])(1946, n.d.)["On Whitman Avenue" [1946 Jun 22], drafts, holograph, carbon, corrected and printed version]. https://collections.library.yale.edu/catalog/31919160.