Cita APA (7th ed.)
Barclay, W. (1971). Ethics in a permissive society ([1st U.S. ed.].). Harper & Row.
Cita Chicago (17th ed.)
Barclay, William. Ethics in a Permissive Society. [1st U.S. ed.]. New York: Harper & Row, 1971.
Cita MLA (9th ed.)
Barclay, William. Ethics in a Permissive Society. [1st U.S. ed.]. Harper & Row, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.