MLA

Hughes, Langston, 1902-1967. Andrews, Regina. Box 8, folder 164. 1942-61, n.d.. https://collections.library.yale.edu/catalog/33219195.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 8, folder 164"])(1942-61, n.d.)[Andrews, Regina]. https://collections.library.yale.edu/catalog/33219195.