Cita APA

Earthscan, Kirkby, J., O'Keefe, P., & Timberlake, L. (1995). The Earthscan reader in sustainable development. Earthscan Publications.

Citación estilo Chicago

Earthscan, John Kirkby, Philip O'Keefe, and Lloyd Timberlake. The Earthscan Reader in Sustainable Development. London: Earthscan Publications, 1995.

Cita MLA

Earthscan, et al. The Earthscan Reader in Sustainable Development. Earthscan Publications, 1995.