APA (7th ed.) Citation

Sadie, S. (2000). Mozart and his operas. Macmillan Reference.

Chicago Style (17th ed.) Citation

Sadie, Stanley. Mozart and His Operas. London: Macmillan Reference, 2000.

MLA (9th ed.) Citation

Sadie, Stanley. Mozart and His Operas. Macmillan Reference, 2000.