MLA

Van Vechten, Carl, 1880-1964. Johnson, Marie Antoinette Burgette. Box 94, folder 1674. 1948 January 21. https://collections.library.yale.edu/catalog/2024142.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 94, folder 1674"])(1948 January 21)[Johnson, Marie Antoinette Burgette]. https://collections.library.yale.edu/catalog/2024142.