Cita APA (7th ed.)

Leys, W. A. R. (1941). Ethics and social policy. Prentice-Hall.

Cita Chicago (17th ed.)

Leys, Wayne Albert Risser. Ethics and Social Policy. New York: Prentice-Hall, 1941.

Cita MLA (9th ed.)

Leys, Wayne Albert Risser. Ethics and Social Policy. Prentice-Hall, 1941.