Cita APA

Durning, A. T. 1., & Douglis, C. (1993). Saving the forests: What will it take? Washington, D.C.: Worldwatch Institute.

Citación estilo Chicago

Durning, Alan Thein 1964-, y Carole Douglis. Saving the Forests: What Will It Take? Washington, D.C.: Worldwatch Institute, 1993.

Cita MLA

Durning, Alan Thein 1964-, y Carole Douglis. Saving the Forests: What Will It Take? Washington, D.C.: Worldwatch Institute, 1993.