Cite

Warren, Robert Penn (outgoing)

MLA

Clark, Eleanor, 1913-1996. Warren, Robert Penn (outgoing). Box 34, folder 513. undated. https://collections.library.yale.edu/catalog/17124001.

APA, 6th edition

Clark, Eleanor, 1913-1996. (["Box 34, folder 513"])(undated)[Warren, Robert Penn (outgoing)]. https://collections.library.yale.edu/catalog/17124001.