Cita APA (7th ed.)

Millington, B. (2006). The New Grove guide to Wagner and his operas. Oxford University Press.

Cita Chicago (17th ed.)

Millington, Barry. The New Grove Guide to Wagner and His Operas. Oxford ; New York: Oxford University Press, 2006.

Cita MLA (9th ed.)

Millington, Barry. The New Grove Guide to Wagner and His Operas. Oxford University Press, 2006.