Leroux, G. (1991). The phantom of the opera. Warner Books.
Cita Chicago (17th ed.)Leroux, Gaston. The Phantom of the Opera. New York: Warner Books, 1991.
Cita MLA (9th ed.)Leroux, Gaston. The Phantom of the Opera. Warner Books, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.