MLA

Hughes, Langston, 1902-1967. National Association for the Advancement of Colored People: College Chapters. Box 117, folder 2227-2228. 1948-64. https://collections.library.yale.edu/catalog/32460697.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 117, folder 2227-2228"])(1948-64)[National Association for the Advancement of Colored People: College Chapters]. https://collections.library.yale.edu/catalog/32460697.