APA (7th ed.) Citation

O'Neill, E., & Richards, J. H. (2001). Early plays. Penguin.

Chicago Style (17th ed.) Citation

O'Neill, Eugene, and Jeffrey H. Richards. Early Plays. New York: Penguin, 2001.

MLA (9th ed.) Citation

O'Neill, Eugene, and Jeffrey H. Richards. Early Plays. Penguin, 2001.