MLA

Van Vechten, Carl, 1880-1964. Bentley, Muriel, and Nana Gollner in Shadow of the Wind, ballet choreographed by Antony Tudor. Box 335, folder 4226. 1948 April 23. https://collections.library.yale.edu/catalog/2035503.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 335, folder 4226"])(1948 April 23)[Bentley, Muriel, and Nana Gollner in Shadow of the Wind, ballet choreographed by Antony Tudor]. https://collections.library.yale.edu/catalog/2035503.