MLA

Hughes, Langston, 1902-1967. White, Walter. Box 170, folder 3119-3123. 1925-54. https://collections.library.yale.edu/catalog/17034001.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 170, folder 3119-3123"])(1925-54)[White, Walter]. https://collections.library.yale.edu/catalog/17034001.