MLA

Hughes, Langston, 1902-1967. Alonzo. Box 19, folder 230. 1875-1978. https://collections.library.yale.edu/catalog/16207011.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 19, folder 230"])(1875-1978)[Alonzo]. https://collections.library.yale.edu/catalog/16207011.