MLA

Hughes, Langston, 1902-1967. Third US Congress Against War and Fascism, Cleveland: draft of radio speech, typescript, carbon and holograph note. Box 479, folder 11929. ca. 1938. https://collections.library.yale.edu/catalog/17394797.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 479, folder 11929"])(ca. 1938)[Third US Congress Against War and Fascism, Cleveland: draft of radio speech, typescript, carbon and holograph note]. https://collections.library.yale.edu/catalog/17394797.