Notes and drawings, holograph
MLA
O'Neill, Eugene, 1888-1953. Notes and drawings, holograph. Box 54, folder 1106. 1939, n.d.. https://collections.library.yale.edu/catalog/2014170.
APA, 6th edition
O'Neill, Eugene, 1888-1953. (["Box 54, folder 1106"])(1939, n.d.)[Notes and drawings, holograph]. https://collections.library.yale.edu/catalog/2014170.