APA (7th ed.) Citation

CRAWFORD, M., & MARS, D. (1989). The Driving force: Food, evolution and the future. Harper and Row.

Chicago Style (17th ed.) Citation

CRAWFORD, Michael, and David MARS. The Driving Force: Food, Evolution and the Future. New York: Harper and Row, 1989.

MLA (9th ed.) Citation

CRAWFORD, Michael, and David MARS. The Driving Force: Food, Evolution and the Future. Harper and Row, 1989.