APA (7e ed.) Bronvermelding
Bonhoeffer, D., Kelly, G. B., & Nelson, F. B. (1995). A testament to freedom: The essential writings of Dietrich Bonhoeffer (Rev. ed.). HarperSanFrancisco.
Chicago (17e ed.) Bronvermelding
Bonhoeffer, Dietrich, Geffrey B. Kelly, en F. Burton Nelson. A Testament to Freedom: The Essential Writings of Dietrich Bonhoeffer. Rev. ed. [San Francisco, Calif.]: HarperSanFrancisco, 1995.
MLA (9e ed.) Bronvermelding
Bonhoeffer, Dietrich, et al. A Testament to Freedom: The Essential Writings of Dietrich Bonhoeffer. Rev. ed. HarperSanFrancisco, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.