Cita APA

Bulliet, R. W. (2011). The Earth and its peoples: A global history (5th ed., International ed.). Wadsworth/Cengage Learning.

Citación estilo Chicago

Bulliet, Richard W. The Earth and Its Peoples: A Global History. 5th ed., International ed. Australia: Wadsworth/Cengage Learning, 2011.

Cita MLA

Bulliet, Richard W. The Earth and Its Peoples: A Global History. 5th ed., International ed. Wadsworth/Cengage Learning, 2011.