APA引文

Duiker, W. J., & Spielvogel, J. J. (1994). World history. West publishing co..

Chicago Style (17th ed.) Citation

Duiker, William J., and Jackson J. Spielvogel. World History. Minneapolis: West publishing co., 1994.

MLA引文

Duiker, William J., and Jackson J. Spielvogel. World History. West publishing co., 1994.