Cita APA (7th ed.)

Bulliet, R. W. (1997). The earth and its peoples: A global history. Houghton Mifflin.

Cita Chicago (17th ed.)

Bulliet, Richard W. The Earth and Its Peoples: A Global History. Boston: Houghton Mifflin, 1997.

Cita MLA (9th ed.)

Bulliet, Richard W. The Earth and Its Peoples: A Global History. Houghton Mifflin, 1997.