MLA

Van Vechten, Carl, 1880-1964. Daniels, Jimmie. Box 88, folder 1510. 1963 January 29. https://collections.library.yale.edu/catalog/2022065.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 88, folder 1510"])(1963 January 29)[Daniels, Jimmie]. https://collections.library.yale.edu/catalog/2022065.