Studio portrait, wearing cross (2 versions)
MLA
O'Neill, Eugene, 1888-1953. Studio portrait, wearing cross (2 versions). Box 112, folder 2049. [187-?]. https://collections.library.yale.edu/catalog/2013231.
APA, 6th edition
O'Neill, Eugene, 1888-1953. (["Box 112, folder 2049"])([187-?])[Studio portrait, wearing cross (2 versions)]. https://collections.library.yale.edu/catalog/2013231.