APA (7th ed.) Citation

Wackernagel, M., & Rees, W. E. (1996). Our ecological footprint: Reducing human impact on the earth. New Society Publishers.

Chicago Style (17th ed.) Citation

Wackernagel, Mathis, and William E. Rees. Our Ecological Footprint: Reducing Human Impact on the Earth. Gabriola Island, BC ; Philadelphia, PA: New Society Publishers, 1996.

MLA (9th ed.) Citation

Wackernagel, Mathis, and William E. Rees. Our Ecological Footprint: Reducing Human Impact on the Earth. New Society Publishers, 1996.