APA (7th ed.) Citation

Duiker, W. J., & Spielvogel, J. J. (2011). The essential world history (6th ed., International ed.). Wadsworth/Cengage Learning.

Chicago Style (17th ed.) Citation

Duiker, William J., and Jackson J. Spielvogel. The Essential World History. 6th ed., International ed. Australia: Wadsworth/Cengage Learning, 2011.

MLA (9th ed.) Citation

Duiker, William J., and Jackson J. Spielvogel. The Essential World History. 6th ed., International ed. Wadsworth/Cengage Learning, 2011.