APA (7th ed.) Citation

(1970). Readings in ethical theory (2. ed.). Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Readings in Ethical Theory. 2. ed. New York: Appleton-Century-Crofts, 1970.

MLA (9th ed.) Citation

Readings in Ethical Theory. 2. ed. Appleton-Century-Crofts, 1970.