APA (7th ed.) Citation

Westbroek, P. (1991). Life as a geological force: Dynamics of the earth (1. ed.). Norton.

Chicago Style (17th ed.) Citation

Westbroek, Peter. Life as a Geological Force: Dynamics of the Earth. 1. ed. New York u.a: Norton, 1991.

MLA (9th ed.) Citation

Westbroek, Peter. Life as a Geological Force: Dynamics of the Earth. 1. ed. Norton, 1991.