APA (7th ed.) Citation

Hildebrandt, G., & Leroux, G. (1993). Phantom of the Opera. The Unicorn Publishing House.

Chicago Style (17th ed.) Citation

Hildebrandt, Greg, and Gaston Leroux. Phantom of the Opera. New Jersey: The Unicorn Publishing House, 1993.

MLA (9th ed.) Citation

Hildebrandt, Greg, and Gaston Leroux. Phantom of the Opera. The Unicorn Publishing House, 1993.

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