MLA

Van Vechten, Carl, 1880-1964. Kaye, Nora, and Antony Tudor in Dark Elegies, choreographed by Antony Tudor. Box 355, folder 4822. 1943 May 5. https://collections.library.yale.edu/catalog/2032402.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 355, folder 4822"])(1943 May 5)[Kaye, Nora, and Antony Tudor in Dark Elegies, choreographed by Antony Tudor]. https://collections.library.yale.edu/catalog/2032402.