Cita APA (7th ed.)
Küng, H. (1976). On being a Christian. Doubleday.
Cita Chicago (17th ed.)
Küng, Hans. On Being a Christian. Garden City, N.Y.: Doubleday, 1976.
Cita MLA (9th ed.)
Küng, Hans. On Being a Christian. Doubleday, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.