MLA

Johnson, James Weldon, 1871-1938. Draft, typescript, corrected. Box 76, folder 475. 1936 February 9. https://collections.library.yale.edu/catalog/16748050.

APA, 6th edition

Johnson, James Weldon, 1871-1938. (["Box 76, folder 475"])(1936 February 9)[Draft, typescript, corrected]. https://collections.library.yale.edu/catalog/16748050.