APA (7th ed.) Citation

Duiker, W. J. (2002). Twentieth-century world history (2nd ed.). Wadsworth/Thomson Learning.

Chicago Style (17th ed.) Citation

Duiker, William J. Twentieth-century World History. 2nd ed. Belmont, Calif: Wadsworth/Thomson Learning, 2002.

MLA (8th ed.) Citation

Duiker, William J. Twentieth-century World History. 2nd ed. Wadsworth/Thomson Learning, 2002.