Cita APA (7th ed.)

Leroux, G. (1995). The phantom f the opera. Penguin Books.

Cita Chicago (17th ed.)

Leroux, Gaston. The Phantom F the Opera. New York, New York: Penguin Books, 1995.

Cita MLA (9th ed.)

Leroux, Gaston. The Phantom F the Opera. Penguin Books, 1995.