MLA

Van Vechten, Carl, 1880-1964. Darvas, Lilli, as Coco in Chéri, by Anita Loos based on the novels Chéri and The Last of Chéri by Colette. Box 343, folder 4450. 1959 October 20. https://collections.library.yale.edu/catalog/2018340.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 343, folder 4450"])(1959 October 20)[Darvas, Lilli, as Coco in Chéri, by Anita Loos based on the novels Chéri and The Last of Chéri by Colette]. https://collections.library.yale.edu/catalog/2018340.