APA (7th ed.) Citation

Ponting, C. (1991). A green history of the world / Clive Ponting. Sinclair-Stevenson.

Chicago Style (17th ed.) Citation

Ponting, Clive. A Green History of the World / Clive Ponting. London: Sinclair-Stevenson, 1991.

MLA (9th ed.) Citation

Ponting, Clive. A Green History of the World / Clive Ponting. Sinclair-Stevenson, 1991.

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