Cita APA (7th ed.)
Schurmann, H. (1986). Principles of Christian Morality (ed.). Ignatius Press.
Cita Chicago (17th ed.)
Schurmann, Heinz. Principles of Christian Morality. ed. San Francisco: Ignatius Press, 1986.
Cita MLA (9th ed.)
Schurmann, Heinz. Principles of Christian Morality. ed. Ignatius Press, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.