Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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