MLA

Hughes, Langston, 1902-1967. Hatterman, Nola: paintings. Box 478, folder 11873. n.d.. https://collections.library.yale.edu/catalog/17034171.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 478, folder 11873"])(n.d.)[Hatterman, Nola: paintings]. https://collections.library.yale.edu/catalog/17034171.