MLA

Hughes, Langston, 1902-1967. Makeba, Miriam. Box 116. circa 1920-1993. https://collections.library.yale.edu/catalog/17399996.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 116"])(circa 1920-1993)[Makeba, Miriam]. https://collections.library.yale.edu/catalog/17399996.