APA (7th ed.) Citation

Hawken, P. (1993). The ecology of commerce: A declaration of sustainability. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Hawken, Paul. The Ecology of Commerce: A Declaration of Sustainability. New York: HarperCollins Publishers, 1993.

MLA (9th ed.) Citation

Hawken, Paul. The Ecology of Commerce: A Declaration of Sustainability. HarperCollins Publishers, 1993.

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