MLA

Hughes, Langston, 1902-1967. Van Vechten, Carl. Box 160, folder 2953-2964. 1941-48. https://collections.library.yale.edu/catalog/2013645.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 160, folder 2953-2964"])(1941-48)[Van Vechten, Carl]. https://collections.library.yale.edu/catalog/2013645.