Cite

"Calls Whitman Negroes' First Great Poetic Friend, Lincoln Of Letters" [1953 Jul 4], printed version

MLA

Hughes, Langston, 1902-1967. "Calls Whitman Negroes' First Great Poetic Friend, Lincoln Of Letters" [1953 Jul 4], printed version. Box 411, folder 8693. 1953 Jul 4. https://collections.library.yale.edu/catalog/31919174.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 411, folder 8693"])(1953 Jul 4)["Calls Whitman Negroes' First Great Poetic Friend, Lincoln Of Letters" [1953 Jul 4], printed version]. https://collections.library.yale.edu/catalog/31919174.