APA (7th ed.) Citation

Warnock, M. (1978). Ethics since 1900 (3d ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Warnock, Mary. Ethics Since 1900. 3d ed. Oxford ; New York: Oxford University Press, 1978.

MLA (9th ed.) Citation

Warnock, Mary. Ethics Since 1900. 3d ed. Oxford University Press, 1978.