Cite

"Play about Aeschylus," holograph

MLA

O'Neill, Eugene, 1888-1953. "Play about Aeschylus," holograph. Box 77, folder 1433. n.d.. https://collections.library.yale.edu/catalog/17060812.

APA, 6th edition

O'Neill, Eugene, 1888-1953. (["Box 77, folder 1433"])(n.d.)["Play about Aeschylus," holograph]. https://collections.library.yale.edu/catalog/17060812.