Cite

Standing with Carlotta Monterey O'Neill in front of tree (copy), [1929]

MLA

O'Neill, Eugene, 1888-1953. Standing with Carlotta Monterey O'Neill in front of tree (copy), [1929]. Box 108, folder 1856. n.d.. https://collections.library.yale.edu/catalog/2013209.

APA, 6th edition

O'Neill, Eugene, 1888-1953. (["Box 108, folder 1856"])(n.d.)[Standing with Carlotta Monterey O'Neill in front of tree (copy), [1929]]. https://collections.library.yale.edu/catalog/2013209.