Cita APA (7th ed.)

Degnan-Veness, C., & Leroux, G. (2008). The phantom of the opera. Pearson Education.

Cita Chicago (17th ed.)

Degnan-Veness, Coleen, i Gaston Leroux. The Phantom of the Opera. Harlow, England: Pearson Education, 2008.

Cita MLA (9th ed.)

Degnan-Veness, Coleen, i Gaston Leroux. The Phantom of the Opera. Pearson Education, 2008.