APA引用形式

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

シカゴスタイル引用形

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

MLA引用形式

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

警告: この引用は必ずしも正確ではありません.