"Don't you want to be free"
MLA
Hughes, Langston, 1902-1967. "Don't you want to be free". Box 212, folder 3582. 1941. https://collections.library.yale.edu/catalog/17034008.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 212, folder 3582"])(1941)["Don't you want to be free"]. https://collections.library.yale.edu/catalog/17034008.