APA Citatie

Bulliet, R. W., ., Crossley, P. K., & Headrick, D. R. (1997). The earth and its peoples: A global history. Boston: Houghton Mifflin.

Chicago Style citaat

Bulliet, Richard W., , Pamela Kyle Crossley, en Daniel R. Headrick. The Earth and Its Peoples: A Global History. Boston: Houghton Mifflin, 1997.

MLA citatie

Bulliet, Richard W., , Pamela Kyle Crossley, en Daniel R. Headrick. The Earth and Its Peoples: A Global History. Boston: Houghton Mifflin, 1997.