Cita APA (7a ed.)

Simmons, I. G. (1996). Changing the face of the earth: Culture, environment, history (2nd ed.). Blackwell Publishers.

Cita Chicago Style (17a ed.)

Simmons, Ian Gordon. Changing the Face of the Earth: Culture, Environment, History. 2nd ed. Oxford: Blackwell Publishers, 1996.

Cita MLA (9a ed.)

Simmons, Ian Gordon. Changing the Face of the Earth: Culture, Environment, History. 2nd ed. Blackwell Publishers, 1996.

Precaución: Estas citas no son 100% exactas.