Ehrlich, P. R. (1984). The cold and the dark: The world after nuclear war. Norton.
芝加哥风格引文Ehrlich, Paul R. The Cold and the Dark: The World After Nuclear War. New York: Norton, 1984.
MLA引文Ehrlich, Paul R. The Cold and the Dark: The World After Nuclear War. Norton, 1984.
警告：这些引文格式不一定是100％准确.