Callahan, D. (1993). The troubled dream of life: In search of peaceful death. Simon & Schuster.
芝加哥风格引文Callahan, Daniel. The Troubled Dream of Life: In Search of Peaceful Death. New York: Simon & Schuster, 1993.
MLA引文Callahan, Daniel. The Troubled Dream of Life: In Search of Peaceful Death. Simon & Schuster, 1993.
警告：这些引文格式不一定是100％准确.