Cita APA (7a ed.)

Wilde, O. (1927). The importance of being Earnest: A trivial comedy for serious people (20th ed.). Methuen.

Cita Chicago Style (17a ed.)

Wilde, Oscar. The Importance of Being Earnest: A Trivial Comedy for Serious People. 20th ed. London: Methuen, 1927.

Cita MLA (8a ed.)

Wilde, Oscar. The Importance of Being Earnest: A Trivial Comedy for Serious People. 20th ed. Methuen, 1927.