MLA

Hughes, Langston, 1902-1967. Lortel, Lucille. Box 105, folder 1984. 1959-66, n.d.. https://collections.library.yale.edu/catalog/33480868.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 105, folder 1984"])(1959-66, n.d.)[Lortel, Lucille]. https://collections.library.yale.edu/catalog/33480868.