Cita APA

Wackernagel, M. 1., & Rees, W. E. (1996). Our ecological footprint: Reducing human impact on the earth. Gabriola Island, Canadá: New Society.

Citación estilo Chicago

Wackernagel, Mathis 1962-, y William E. Rees. Our Ecological Footprint: Reducing Human Impact On the Earth. Gabriola Island, Canadá: New Society, 1996.

Cita MLA

Wackernagel, Mathis 1962-, y William E. Rees. Our Ecological Footprint: Reducing Human Impact On the Earth. Gabriola Island, Canadá: New Society, 1996.