Duiker, W. J., & Spielvogel, J. J. (2010). World history (6th ed.). Wadsworth Cengage Learning.
芝加哥风格引文Duiker, William J., 与 Jackson J. Spielvogel. World History. 6th ed. Boston, MA: Wadsworth Cengage Learning, 2010.
MLA引文Duiker, William J., 与 Jackson J. Spielvogel. World History. 6th ed. Wadsworth Cengage Learning, 2010.
警告：这些引文格式不一定是100％准确.