Combs, J. A. (1986). The history of American foreign policy. Knopf.
芝加哥风格引文Combs, Jerald A. The History of American Foreign Policy. New York: Knopf, 1986.
MLA引文Combs, Jerald A. The History of American Foreign Policy. Knopf, 1986.
警告：这些引文格式不一定是100％准确.