Cita APA (7th ed.)
O'Neill, E. (1959). Nine plays. Modern Library.
Cita Chicago (17th ed.)
O'Neill, Eugene. Nine Plays. New York: Modern Library, 1959.
Cita MLA (9th ed.)
O'Neill, Eugene. Nine Plays. Modern Library, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.