MLA

Hughes, Langston, 1902-1967. "Chicago's Southside Has Wealth of Negro Talent in the Arts" [1949 Jun 25], drafts, typescript, carbon, corrected and printed version. Box 408, folder 8483. 1949. https://collections.library.yale.edu/catalog/17034116.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 408, folder 8483"])(1949)["Chicago's Southside Has Wealth of Negro Talent in the Arts" [1949 Jun 25], drafts, typescript, carbon, corrected and printed version]. https://collections.library.yale.edu/catalog/17034116.