Sakharov, A. D. (1968). Progress, coexistence & intellectual freedom. W.W.Norton & Co..
芝加哥风格引文Sakharov, Andrei D. Progress, Coexistence & Intellectual Freedom. New York: W.W.Norton & Co., 1968.
MLA引文Sakharov, Andrei D. Progress, Coexistence & Intellectual Freedom. W.W.Norton & Co., 1968.
警告：这些引文格式不一定是100％准确.