Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.