Wearing bathing suit, sitting on diving board (2 versions)
MLA
O'Neill, Eugene, 1888-1953. Wearing bathing suit, sitting on diving board (2 versions). Box 109, folder 1897. [1933 or 1934]. https://collections.library.yale.edu/catalog/2013211.
APA, 6th edition
O'Neill, Eugene, 1888-1953. (["Box 109, folder 1897"])([1933 or 1934])[Wearing bathing suit, sitting on diving board (2 versions)]. https://collections.library.yale.edu/catalog/2013211.