MLA

Hughes, Langston, 1902-1967. Santesson, Hans Stefan. Box 143, folder 2650-2651. 1946-61. https://collections.library.yale.edu/catalog/9998405.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 143, folder 2650-2651"])(1946-61)[Santesson, Hans Stefan]. https://collections.library.yale.edu/catalog/9998405.