MLA

Hughes, Langston, 1902-1967. Meers, Paul. Box 7 (Oversize), folder 89. 1893-1954. https://collections.library.yale.edu/catalog/16198537.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 7 (Oversize), folder 89"])(1893-1954)[Meers, Paul]. https://collections.library.yale.edu/catalog/16198537.