O'Neill, E. (1951). The plays of Eugene O'Neill. New York: Random House.
Trích dẫn kiểu ChicagoO'Neill, Eugene. The Plays of Eugene O'Neill. New York: Random House, 1951.
MLA引文O'Neill, Eugene. The Plays of Eugene O'Neill. New York: Random House, 1951.
警告：这些引文格式不一定是100％准确.