MLA

Bontemps, Arna, 1902-1973. Typescript carbon. Box 1, folder 34. n.d.. https://collections.library.yale.edu/catalog/16730684.

APA, 6th edition

Bontemps, Arna, 1902-1973. (["Box 1, folder 34"])(n.d.)[Typescript carbon]. https://collections.library.yale.edu/catalog/16730684.