APA引文

PALMER, R., & COLTON, J. (1971). A history of the modern world.-- ed.4. Alfred A.Knopf.

芝加哥风格引文

PALMER, R.R, 与 Joel COLTON. A History of the Modern World.-- Ed.4. New York: Alfred A.Knopf, 1971.

MLA引文

PALMER, R.R, 与 Joel COLTON. A History of the Modern World.-- Ed.4. Alfred A.Knopf, 1971.