Cita APA (7th ed.)
Wilde, O., Billington, M., & Wilson, R. (1983). The importance of being earnest. Penguin.
Cita Chicago (17th ed.)
Wilde, Oscar, Michael Billington, i Robert Wilson. The Importance of Being Earnest. New York: Penguin, 1983.
Cita MLA (9th ed.)
Wilde, Oscar, et al. The Importance of Being Earnest. Penguin, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.