Kagan, D., & Ozment, S. E. (1987). The Western heritage (3rd .ed.). Macmillan.
芝加哥风格引文Kagan, Donald, 与 Steven E. Ozment. The Western Heritage. 3rd .ed. New York: Macmillan, 1987.
MLA引文Kagan, Donald, 与 Steven E. Ozment. The Western Heritage. 3rd .ed. Macmillan, 1987.
警告：这些引文格式不一定是100％准确.