MLA

Hughes, Langston, 1902-1967. Windy City Press Club Banquet, Chicago: drafts of speech, "Humor and the Negro Press," typescript. Box 481, folder 12123. 1956-57. https://collections.library.yale.edu/catalog/17034174.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 481, folder 12123"])(1956-57)[Windy City Press Club Banquet, Chicago: drafts of speech, "Humor and the Negro Press," typescript]. https://collections.library.yale.edu/catalog/17034174.