APA (7th ed.) Citation

Simmons, I. G. (1989). Changing the face of the earth: Culture, environment, history. Blackwell.

Chicago Style (17th ed.) Citation

Simmons, Ian Gordon. Changing the Face of the Earth: Culture, Environment, History. Oxford: Blackwell, 1989.

MLA (9th ed.) Citation

Simmons, Ian Gordon. Changing the Face of the Earth: Culture, Environment, History. Blackwell, 1989.