Du Bois, W. E. B. (William Edward Burghardt)
MLA
Hughes, Langston, 1902-1967. Du Bois, W. E. B. (William Edward Burghardt). Box 4 (Oversize), folder 44. 1928. https://collections.library.yale.edu/catalog/16196977.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 4 (Oversize), folder 44"])(1928)[Du Bois, W. E. B. (William Edward Burghardt)]. https://collections.library.yale.edu/catalog/16196977.