MLA

Hughes, Langston, 1902-1967. Fisher, Rudolph. Box 4 (Oversize), folder 50. 1893-1954. https://collections.library.yale.edu/catalog/16196983.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 4 (Oversize), folder 50"])(1893-1954)[Fisher, Rudolph]. https://collections.library.yale.edu/catalog/16196983.