MLA

Van Vechten, Carl, 1880-1964. Marinoff, Fania, as Giulia Crevellli, in Judgment Day, play by Elmer Rice. Box 365, folder 5080. 1934 September 21. https://collections.library.yale.edu/catalog/2066072.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 365, folder 5080"])(1934 September 21)[Marinoff, Fania, as Giulia Crevellli, in Judgment Day, play by Elmer Rice]. https://collections.library.yale.edu/catalog/2066072.