Duiker, W. J., & Spielvogel, J. J. (1998). World history (2nd ed.). West/Wadsworth.
Chicago Style (17th ed.) CitationDuiker, William J., and Jackson J. Spielvogel. World History. 2nd ed. Belmont, Calif: West/Wadsworth, 1998.
MLA (8th ed.) CitationDuiker, William J., and Jackson J. Spielvogel. World History. 2nd ed. West/Wadsworth, 1998.
Warning: These citations may not always be 100% accurate.