MLA

Van Vechten, Carl, 1880-1964. Jaray, Hans. Box 355 | Folder 4802. 1940 November 19. https://collections.library.yale.edu/catalog/2054344.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 355 | Folder 4802"])(1940 November 19)[Jaray, Hans]. https://collections.library.yale.edu/catalog/2054344.