APA (7th ed.) Citation

Wilde, O. (1985). The picture of Dorian Gray. Penguin.

Chicago Style (17th ed.) Citation

Wilde, Oscar. The Picture of Dorian Gray. Harmondsworth, Middlesex, Eng: Penguin, 1985.

MLA (9th ed.) Citation

Wilde, Oscar. The Picture of Dorian Gray. Penguin, 1985.