MLA

Hughes, Langston, 1902-1967. Gordon, Taylor. Box 19, folder 256. 1927-1936. https://collections.library.yale.edu/catalog/16207037.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 19, folder 256"])(1927-1936)[Gordon, Taylor]. https://collections.library.yale.edu/catalog/16207037.