APA (7th ed.) Citation

Jacobs, A., & Sadie, S. (1964). The opera guide. Hamish Hamilton.

Chicago Style (17th ed.) Citation

Jacobs, Arthur, and Stanley Sadie. The Opera Guide. London: Hamish Hamilton, 1964.

MLA (9th ed.) Citation

Jacobs, Arthur, and Stanley Sadie. The Opera Guide. Hamish Hamilton, 1964.