APA (7th ed.) Citation
Harrison, P. (1992). The third revolution: Environment, population, and a sustainable world. Penguin books.
Chicago Style (17th ed.) Citation
Harrison, Paul. The Third Revolution: Environment, Population, and a Sustainable World. London: Penguin books, 1992.
MLA (9th ed.) Citation
Harrison, Paul. The Third Revolution: Environment, Population, and a Sustainable World. Penguin books, 1992.
Warning: These citations may not always be 100% accurate.