MLA

Hughes, Langston, 1902-1967. Modisane, Bloke. Box 114, folder 2161-2162. 1960-67, n.d.. https://collections.library.yale.edu/catalog/2017252.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 114, folder 2161-2162"])(1960-67, n.d.)[Modisane, Bloke]. https://collections.library.yale.edu/catalog/2017252.