MLA

Van Vechten, Carl, 1880-1964. Fernández, José A., in Mexicana, musical revue directed by Celestino Gorostiza and choreographed by Gluck Sandor. Box 347, folder 4575. 1939 May 18. https://collections.library.yale.edu/catalog/2034441.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 347, folder 4575"])(1939 May 18)[Fernández, José A., in Mexicana, musical revue directed by Celestino Gorostiza and choreographed by Gluck Sandor]. https://collections.library.yale.edu/catalog/2034441.