APA引文

Palmer, R. R., & Colton, J. G. (1971). A history of the modern world (4th ed.). Knopf.

芝加哥风格引文

Palmer, R. R., 与 Joel G. Colton. A History of the Modern World. 4th ed. New York: Knopf, 1971.

MLA引文

Palmer, R. R., 与 Joel G. Colton. A History of the Modern World. 4th ed. Knopf, 1971.