[Poems], holograph, and typescript carbon
MLA
Hughes, Langston, 1902-1967. [Poems], holograph, and typescript carbon. Box 443, folder 10399. 1949-61, n.d.. https://collections.library.yale.edu/catalog/17034155.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 443, folder 10399"])(1949-61, n.d.)[[Poems], holograph, and typescript carbon]. https://collections.library.yale.edu/catalog/17034155.