Cita APA (7th ed.)

Leroux, G., & Bair, L. (1990). The phantom of the opera. Bantam Books.

Cita Chicago (17th ed.)

Leroux, Gaston, i Lowell Bair. The Phantom of the Opera. New York: Bantam Books, 1990.

Cita MLA (9th ed.)

Leroux, Gaston, i Lowell Bair. The Phantom of the Opera. Bantam Books, 1990.