MLA

Hughes, Langston, 1902-1967. The People's Forum, Montreal: audience questions. Box 479, folder 11972. 1944 Feb 1. https://collections.library.yale.edu/catalog/17034172.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 479, folder 11972"])(1944 Feb 1)[The People's Forum, Montreal: audience questions]. https://collections.library.yale.edu/catalog/17034172.