APA (7th ed.) Citation

Verdi, G., Somma, A., Álvarez, M., Urmana, V., Vratogna, M., Zaremba, E., . . . Scribe, E. (2010). Un ballo in maschera. Opus Arte.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe, et al. Un Ballo in Maschera. [Place of publication not identified]: Opus Arte, 2010.

MLA (9th ed.) Citation

Verdi, Giuseppe, et al. Un Ballo in Maschera. Opus Arte, 2010.