MLA

Van Vechten, Carl, 1880-1964. Garvey, Amy Jacques. Box 11, folder 272. 1925 June 23. https://collections.library.yale.edu/catalog/17397601.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 11, folder 272"])(1925 June 23)[Garvey, Amy Jacques]. https://collections.library.yale.edu/catalog/17397601.