MLA

Van Vechten, Carl, 1880-1964. Barthé́, Richmond. Box 84 | Folder 1389. 1939 September 23. https://collections.library.yale.edu/catalog/2019417.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 84 | Folder 1389"])(1939 September 23)[Barthé́, Richmond]. https://collections.library.yale.edu/catalog/2019417.