MLA

Van Vechten, Carl, 1880-1964. Harlem. Lincoln Theatre. Box 225. 1940 October 5. https://collections.library.yale.edu/catalog/2024566.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 225"])(1940 October 5)[Harlem. Lincoln Theatre]. https://collections.library.yale.edu/catalog/2024566.