APA (7th ed.) Citation

Ponting, C. (2007). A new green history of the world: The environment and the collapse of great civilizations (Rev. ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Ponting, Clive. A New Green History of the World: The Environment and the Collapse of Great Civilizations. Rev. ed. New York: Penguin Books, 2007.

MLA (9th ed.) Citation

Ponting, Clive. A New Green History of the World: The Environment and the Collapse of Great Civilizations. Rev. ed. Penguin Books, 2007.