Cita APA (7a ed.)

Leroux, G. (1995). The Phantom of the Opera. Penguin.

Cita Chicago Style (17a ed.)

Leroux, Gaston. The Phantom of the Opera. London: Penguin, 1995.

Cita MLA (9a ed.)

Leroux, Gaston. The Phantom of the Opera. Penguin, 1995.