MLA

Van Vechten, Carl, 1880-1964. Davis, Jimmy. Box 88, folder 1516. 1942 December 28. https://collections.library.yale.edu/catalog/2022068.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 88, folder 1516"])(1942 December 28)[Davis, Jimmy]. https://collections.library.yale.edu/catalog/2022068.