APA (7th ed.) Citation

Leroux, G. (1995). The phantom of the opera. Penguin books.

Chicago Style (17th ed.) Citation

Leroux, Gaston. The Phantom of the Opera. New York, Estados Unidos: Penguin books, 1995.

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.