APA (7th ed.) Citation

Gardner, G. (2008). State of the world 2008: Innovations for a sustainable economy (25th ed.). Earthscan.

Chicago Style (17th ed.) Citation

Gardner, Gary. State of the World 2008: Innovations for a Sustainable Economy. 25th ed. London: Earthscan, 2008.

MLA (8th ed.) Citation

Gardner, Gary. State of the World 2008: Innovations for a Sustainable Economy. 25th ed. Earthscan, 2008.

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