APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

Wackernagel, Mathis, et al. Our Ecological Footprint: Reducing Human Impact on the Earth. Gabriola Island: New Society Publishers, 1996.