Wald, R. M. (1984). General relativity. University of Chicago Press.
芝加哥风格引文Wald, Robert M. General Relativity. Chicago: University of Chicago Press, 1984.
MLA引文Wald, Robert M. General Relativity. University of Chicago Press, 1984.
警告：这些引文格式不一定是100％准确.