APA (7th ed.) Citation

Cooke, D. (1991). I saw the world end: A study of Wagner's Ring. Oxford University Press.

Chicago Style (17th ed.) Citation

Cooke, Deryck. I Saw the World End: A Study of Wagner's Ring. London: Oxford University Press, 1991.

MLA (9th ed.) Citation

Cooke, Deryck. I Saw the World End: A Study of Wagner's Ring. Oxford University Press, 1991.

Warning: These citations may not always be 100% accurate.