Citazione APA

Johnson, O. A., & Reath, A. (2004). Ethics: Selections from classical and contemporary writers (9th ed.). Thomson Wadsworth.

Stile di citazione Chicago

Johnson, Oliver A., e Andrews Reath. Ethics: Selections from Classical and Contemporary Writers. 9th ed. United Kingdom: Thomson Wadsworth, 2004.

Citazione MLA

Johnson, Oliver A., e Andrews Reath. Ethics: Selections from Classical and Contemporary Writers. 9th ed. Thomson Wadsworth, 2004.