APA (7th ed.) Citation

Ponting, C. (2007). A new green history of the world. Penguin Books.

Chicago Style (17th ed.) Citation

Ponting, Clive. A New Green History of the World. London, England: Penguin Books, 2007.

MLA (8th ed.) Citation

Ponting, Clive. A New Green History of the World. Penguin Books, 2007.

Warning: These citations may not always be 100% accurate.