MLA

Hughes, Langston, 1902-1967. Bonds, Margaret. Box 17, folder 381-383. 1965-67, n.d.. https://collections.library.yale.edu/catalog/16998735.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 17, folder 381-383"])(1965-67, n.d.)[Bonds, Margaret]. https://collections.library.yale.edu/catalog/16998735.