Ray, M. (1970). Theory of relativity special & general (2nd ed.). S. Chand & Co..
芝加哥风格引文Ray, M. Theory of Relativity Special & General. 2nd ed. Delhi: S. Chand & Co., 1970.
MLA引文Ray, M. Theory of Relativity Special & General. 2nd ed. S. Chand & Co., 1970.
警告：这些引文格式不一定是100％准确.