MLA

Hughes, Langston, 1902-1967. National Committee for the Defense of Political Prisoners (Scottsboro exhibition and sale): notes and press release. Box 512, folder 12721. 1934. https://collections.library.yale.edu/catalog/17034193.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 512, folder 12721"])(1934)[National Committee for the Defense of Political Prisoners (Scottsboro exhibition and sale): notes and press release]. https://collections.library.yale.edu/catalog/17034193.