MLA

Hughes, Langston, 1902-1967. USSR, Tashkent, miscellaneous. Box 460, folder 11124. n.d.. https://collections.library.yale.edu/catalog/32180772.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 460, folder 11124"])(n.d.)[USSR, Tashkent, miscellaneous]. https://collections.library.yale.edu/catalog/32180772.