APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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