Cita APA (7a ed.)

Bonhoeffer, D. (1965). Ethics. Macmillan.

Cita Chicago Style (17a ed.)

Bonhoeffer, Dietrich. Ethics. New York: Macmillan, 1965.

Cita MLA (9a ed.)

Bonhoeffer, Dietrich. Ethics. Macmillan, 1965.