APA (7th ed.) Citation

Cahn, S. M., & Haber, J. G. (1995). Twentieth century ethical theory. Prentice Hall.

Chicago Style (17th ed.) Citation

Cahn, Steven M., and Joram Graf Haber. Twentieth Century Ethical Theory. Englewood Cliffs, N.J: Prentice Hall, 1995.

MLA (9th ed.) Citation

Cahn, Steven M., and Joram Graf Haber. Twentieth Century Ethical Theory. Prentice Hall, 1995.