APA (7th ed.) Citation

Wilde, O. (1949). The importance of being Earnest / by O. Wilde. Heinemann.

Chicago Style (17th ed.) Citation

Wilde, Oscar. The Importance of Being Earnest / by O. Wilde. Heinemann, 1949.

MLA (9th ed.) Citation

Wilde, Oscar. The Importance of Being Earnest / by O. Wilde. Heinemann, 1949.

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