APA (7th ed.) Citation

Harrison, P. (1993). The third revolution: Population, environment, and a sustainable world. Penguin Books.

Chicago Style (17th ed.) Citation

Harrison, Paul. The Third Revolution: Population, Environment, and a Sustainable World. London ; New York: Penguin Books, 1993.

MLA (9th ed.) Citation

Harrison, Paul. The Third Revolution: Population, Environment, and a Sustainable World. Penguin Books, 1993.