MLA

Toomer, Jean, 1894-1967. "First Draft": holograph. Box 11, folder 344-57. 1935 Jan-Feb, n.d.. https://collections.library.yale.edu/catalog/16871731.

APA, 6th edition

Toomer, Jean, 1894-1967. (["Box 11, folder 344-57"])(1935 Jan-Feb, n.d.)["First Draft": holograph]. https://collections.library.yale.edu/catalog/16871731.