APA Citatie

Roberts, W. H. (1941). The problem of choice: An introduction to ethics. Boston: Atheneum Press.

Chicago Style citaat

Roberts, William Hehry. The Problem of Choice: An Introduction to Ethics. Boston: Atheneum Press, 1941.

MLA citatie

Roberts, William Hehry. The Problem of Choice: An Introduction to Ethics. Boston: Atheneum Press, 1941.

Let op: Deze citaties zijn niet altijd 100% accuraat.