APA (7th ed.) Citation
Verdi, G., Solera, T., & Fisher, B. D. (2009). Attila. Opera Journeys Publishing.
Chicago Style (17th ed.) Citation
Verdi, Giuseppe, Temistocle Solera, and Burton D. Fisher. Attila. Boca Raton, Florida: Opera Journeys Publishing, 2009.
MLA (9th ed.) Citation
Verdi, Giuseppe, et al. Attila. Opera Journeys Publishing, 2009.
Warning: These citations may not always be 100% accurate.