MLA

Van Vechten, Carl, 1880-1964. Graham, Martha, and Bertram Ross in Visionary Recital, choreographed by Martha Graham. Box 351, folder 4681. 1961 June 27. https://collections.library.yale.edu/catalog/2036000.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 351, folder 4681"])(1961 June 27)[Graham, Martha, and Bertram Ross in Visionary Recital, choreographed by Martha Graham]. https://collections.library.yale.edu/catalog/2036000.