MLA

Bontemps, Arna, 1902-1973. Typescript, carbon. Box 1, folder 32. [ca. 1932-33]. https://collections.library.yale.edu/catalog/16730683.

APA, 6th edition

Bontemps, Arna, 1902-1973. (["Box 1, folder 32"])([ca. 1932-33])[Typescript, carbon]. https://collections.library.yale.edu/catalog/16730683.