MLA

Van Vechten, Carl, 1880-1964. Morris, McKay, Vincent Price, Frederic Tozere, and Anna May Wong at the Westport Country Playhouse, Westport, Connecticut. Box 368, folder 5190. 1937 August 11. https://collections.library.yale.edu/catalog/10645812.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 368, folder 5190"])(1937 August 11)[Morris, McKay, Vincent Price, Frederic Tozere, and Anna May Wong at the Westport Country Playhouse, Westport, Connecticut]. https://collections.library.yale.edu/catalog/10645812.