Bonhoeffer, D., Kelly, G. B., & Nelson, F. B. (1995). A testament to freedom: The essential writings of Dietrich Bonhoeffer (Rev. ed.). HarperSanFrancisco.
芝加哥风格引文Bonhoeffer, Dietrich, Geffrey B. Kelly, 与 F. Burton Nelson. A Testament to Freedom: The Essential Writings of Dietrich Bonhoeffer. Rev. ed. [San Francisco, Calif.]: HarperSanFrancisco, 1995.
MLA引文Bonhoeffer, Dietrich, et al. A Testament to Freedom: The Essential Writings of Dietrich Bonhoeffer. Rev. ed. HarperSanFrancisco, 1995.
警告：这些引文格式不一定是100％准确.