O'Neill, E. (1920). Representative plays of Eugene O'Neill. Liveright Pub. Corp..
Cita Chicago (17th ed.)O'Neill, Eugene. Representative Plays of Eugene O'Neill. N.Y.: Liveright Pub. Corp., 1920.
Cita MLA (8th ed.)O'Neill, Eugene. Representative Plays of Eugene O'Neill. Liveright Pub. Corp., 1920.
Atenció: Aquestes cites poden no estar 100% correctes.