APA (7th ed.) Zitazioa
Barclay, W. (1971). Ethics in a permissive society ([1st U.S. ed.].). Harper & Row.
Chicago Style (17th ed.) Zitazioa
Barclay, William. Ethics in a Permissive Society. [1st U.S. ed.]. New York: Harper & Row, 1971.
MLA (9th ed.) Zitazioa
Barclay, William. Ethics in a Permissive Society. [1st U.S. ed.]. Harper & Row, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.