APA (7th ed.) Citation

Foot, P. Theories of ethics / edited by Philippa Foot. Oxford : Oxford University Press, 1967, 1986.

Chicago Style (17th ed.) Citation

Foot, Philippa. Theories of Ethics / Edited by Philippa Foot. Oxford : Oxford University Press, 1967, 1986.

MLA (8th ed.) Citation

Foot, Philippa. Theories of Ethics / Edited by Philippa Foot. Oxford : Oxford University Press, 1967, 1986.

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