MLA

Van Vechten, Carl, 1880-1964. Espinosa, Fermín, bullfighting at the Plaza de Toros de Valencia in Valencia, Spain. Box 346, folder 4554. 1935 June 9-10. https://collections.library.yale.edu/catalog/2031902.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 346, folder 4554"])(1935 June 9-10)[Espinosa, Fermín, bullfighting at the Plaza de Toros de Valencia in Valencia, Spain]. https://collections.library.yale.edu/catalog/2031902.