MLA

Van Vechten, Carl, 1880-1964. Peterson, Carla L., at Central Park, New York City. Box 101 | Folder 1807. 1954 August 19. https://collections.library.yale.edu/catalog/2027156.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 101 | Folder 1807"])(1954 August 19)[Peterson, Carla L., at Central Park, New York City]. https://collections.library.yale.edu/catalog/2027156.