Cita APA (7a ed.)

Wilde, O. (1959). The picture of Dorian Gray. Penguin Books.

Cita Chicago Style (17a ed.)

Wilde, Oscar. The Picture of Dorian Gray. Harmondsworth [etc.]: Penguin Books, 1959.

Cita MLA (9a ed.)

Wilde, Oscar. The Picture of Dorian Gray. Penguin Books, 1959.