APA (7th ed.) Citation

Weizsacker & Lovins. (1997). Factor four: Doubling wealth, halving resource use : the new report to the Club of Rome. Earthscan.

Chicago Style (17th ed.) Citation

Weizsacker and Lovins. Factor Four: Doubling Wealth, Halving Resource Use : The New Report to the Club of Rome. London: Earthscan, 1997.

MLA (8th ed.) Citation

Weizsacker and Lovins. Factor Four: Doubling Wealth, Halving Resource Use : The New Report to the Club of Rome. Earthscan, 1997.

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