APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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