MLA

Hughes, Langston, 1902-1967. Miller, Loren. Box 113, folder 2142. 1931-65, n.d.. https://collections.library.yale.edu/catalog/17020437.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 113, folder 2142"])(1931-65, n.d.)[Miller, Loren]. https://collections.library.yale.edu/catalog/17020437.