Cita APA (7a ed.)

Bonhoeffer, D., & Dieterich, V. (2007). Dietrich Bonhoeffer: 1906 - 1945. Calwer Verl.

Cita Chicago Style (17a ed.)

Bonhoeffer, Dietrich, y Veit-Jakobus Dieterich. Dietrich Bonhoeffer: 1906 - 1945. Stuttgart: Calwer Verl, 2007.

Cita MLA (9a ed.)

Bonhoeffer, Dietrich, y Veit-Jakobus Dieterich. Dietrich Bonhoeffer: 1906 - 1945. Calwer Verl, 2007.