MLA

Hughes, Langston, 1902-1967. Rembao, Alberto. Box 136, folder 2528. 1942-49. https://collections.library.yale.edu/catalog/32468748.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 136, folder 2528"])(1942-49)[Rembao, Alberto]. https://collections.library.yale.edu/catalog/32468748.