MLA

Van Vechten, Carl, 1880-1964. Chookasian, Lili. Box 341 | Folder 4384. 1964 May 5. https://collections.library.yale.edu/catalog/2031908.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 341 | Folder 4384"])(1964 May 5)[Chookasian, Lili]. https://collections.library.yale.edu/catalog/2031908.