APA (7th ed.) Citation

Wilde, O. (1940). The importance of being earnest and other plays. Penguin.

Chicago Style (17th ed.) Citation

Wilde, Oscar. The Importance of Being Earnest and Other Plays. London: Penguin, 1940.

MLA (9th ed.) Citation

Wilde, Oscar. The Importance of Being Earnest and Other Plays. Penguin, 1940.

Warning: These citations may not always be 100% accurate.