MLA

Toomer, Jean, 1894-1967. Fifth draft: typescript, carbon. Box 15, folder 440-44. n.d.. https://collections.library.yale.edu/catalog/32184326.

APA, 6th edition

Toomer, Jean, 1894-1967. (["Box 15, folder 440-44"])(n.d.)[Fifth draft: typescript, carbon]. https://collections.library.yale.edu/catalog/32184326.