APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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