MLA

Van Vechten, Carl, 1880-1964. Laing, Hugh, as Her Husband, in Tally Ho, or the Frail Quarry, ballet choreographed by Agnes de Mille. Box 358, folder 4914. 1944 October 27. https://collections.library.yale.edu/catalog/2055985.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 358, folder 4914"])(1944 October 27)[Laing, Hugh, as Her Husband, in Tally Ho, or the Frail Quarry, ballet choreographed by Agnes de Mille]. https://collections.library.yale.edu/catalog/2055985.