MLA

Van Vechten, Carl, 1880-1964. Tynes, Margaret. Box 106 | Folder 1939. 1959 September 29. https://collections.library.yale.edu/catalog/2028212.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 106 | Folder 1939"])(1959 September 29)[Tynes, Margaret]. https://collections.library.yale.edu/catalog/2028212.