MLA

Hughes, Langston, 1902-1967. Cartier-Bresson, Henri. Box 477, folder 11853. n.d.. https://collections.library.yale.edu/catalog/17034170.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 477, folder 11853"])(n.d.)[Cartier-Bresson, Henri]. https://collections.library.yale.edu/catalog/17034170.