MLA

Hughes, Langston, 1902-1967. [Poems and translations of lyrics] typescript and carbon, corrected and printed versions. Box 441, folder 10285. n.d.. https://collections.library.yale.edu/catalog/17394784.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 441, folder 10285"])(n.d.)[[Poems and translations of lyrics] typescript and carbon, corrected and printed versions]. https://collections.library.yale.edu/catalog/17394784.