MLA

Van Vechten, Carl, 1880-1964. Anderson, Judith, as Mary, in Family Portrait, by Lenore Coffee and William Joyce Cowen. Box 466, folder 7808. 1939 May 5. https://collections.library.yale.edu/catalog/2029811.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 466, folder 7808"])(1939 May 5)[Anderson, Judith, as Mary, in Family Portrait, by Lenore Coffee and William Joyce Cowen]. https://collections.library.yale.edu/catalog/2029811.