MLA

Hughes, Langston, 1902-1967. LH in California. Box 460, folder 11132. ca. 1934 Apr. https://collections.library.yale.edu/catalog/17394790.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 460, folder 11132"])(ca. 1934 Apr)[LH in California]. https://collections.library.yale.edu/catalog/17394790.