Cite

American Negro Exposition (Chicago)

MLA

Hughes, Langston, 1902-1967. American Negro Exposition (Chicago). Box 6, folder 131. 1940. https://collections.library.yale.edu/catalog/32579545.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 6, folder 131"])(1940)[American Negro Exposition (Chicago)]. https://collections.library.yale.edu/catalog/32579545.