Studio portrait, in collar with bow (copy), [ca. 1892-94]
MLA
O'Neill, Eugene, 1888-1953. Studio portrait, in collar with bow (copy), [ca. 1892-94]. Box 108, folder 1807. n.d.. https://collections.library.yale.edu/catalog/2013199.
APA, 6th edition
O'Neill, Eugene, 1888-1953. (["Box 108, folder 1807"])(n.d.)[Studio portrait, in collar with bow (copy), [ca. 1892-94]]. https://collections.library.yale.edu/catalog/2013199.