MLA

Hughes, Langston, 1902-1967. American Jewish Congress. Box 6, folder 128. 1944-64. https://collections.library.yale.edu/catalog/32579512.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 6, folder 128"])(1944-64)[American Jewish Congress]. https://collections.library.yale.edu/catalog/32579512.