APA-viite

Crawford, M. (1989). The driving force: Food, evolution, and the future. Heinmann.

Chicago-tyylinen lähdeviittaus

Crawford, Michae. The Driving Force: Food, Evolution, and the Future. London: Heinmann, 1989.

MLA-viite

Crawford, Michae. The Driving Force: Food, Evolution, and the Future. Heinmann, 1989.