MLA

Van Vechten, Carl, 1880-1964. Vazquez, Carmen, in Cabalgata, revue choreographed by Daniel Cordoba and music by Ramon Bastida. Box 381 | Folder 5659. 1949 July 9. https://collections.library.yale.edu/catalog/10623561.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 381 | Folder 5659"])(1949 July 9)[Vazquez, Carmen, in Cabalgata, revue choreographed by Daniel Cordoba and music by Ramon Bastida]. https://collections.library.yale.edu/catalog/10623561.