MLA

Van Vechten, Carl, 1880-1964. Richards, Rudy, as Calypso Pete, and Harrison Thompson as Prince Desire in Howdy, Mr. Ice, choreographed by Catherine Littlefield. Box 372, folder 5323. 1948 September 27. https://collections.library.yale.edu/catalog/33249942.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 372, folder 5323"])(1948 September 27)[Richards, Rudy, as Calypso Pete, and Harrison Thompson as Prince Desire in Howdy, Mr. Ice, choreographed by Catherine Littlefield]. https://collections.library.yale.edu/catalog/33249942.