MLA

Van Vechten, Carl, 1880-1964. Lindsley, Lorna Stimson. Box 362, folder 4994. 1933 December 29. https://collections.library.yale.edu/catalog/2056480.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 362, folder 4994"])(1933 December 29)[Lindsley, Lorna Stimson]. https://collections.library.yale.edu/catalog/2056480.