APA (7th ed.) Citation

Warnock, M. (1967). Ethics Since 1900 (2 edició.). Oxford University Press.

Chicago Style (17th ed.) Citation

Warnock, Mary. Ethics Since 1900. 2 edició. London: Oxford University Press, 1967.

MLA (9th ed.) Citation

Warnock, Mary. Ethics Since 1900. 2 edició. Oxford University Press, 1967.