MLA

Hughes, Langston, 1902-1967. Larsen, Nella. Box 7 (Oversize), folder 81. 1927. https://collections.library.yale.edu/catalog/16198529.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 7 (Oversize), folder 81"])(1927)[Larsen, Nella]. https://collections.library.yale.edu/catalog/16198529.