MLA

Van Vechten, Carl, 1880-1964. Wong, Anna May. Box 383 | Folder 5723. 1935 September 22. https://collections.library.yale.edu/catalog/10189924.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 383 | Folder 5723"])(1935 September 22)[Wong, Anna May]. https://collections.library.yale.edu/catalog/10189924.