Wills
MLA
O'Neill, Eugene, 1888-1953. Wills. Box 20, folder 319-320. 1947-1951. https://collections.library.yale.edu/catalog/17155212.
APA, 6th edition
O'Neill, Eugene, 1888-1953. (["Box 20, folder 319-320"])(1947-1951)[Wills]. https://collections.library.yale.edu/catalog/17155212.