Cita APA (7a ed.)

Durning, A. T., Chege, N., & Douglas, C. (1993). Saving the forests: What will it taken. Worldwatch Institute.

Cita Chicago Style (17a ed.)

Durning, Alan Thein, Nancy Chege, y Carole Douglas. Saving the Forests: What Will It Taken. Washington, DC: Worldwatch Institute, 1993.

Cita MLA (9a ed.)

Durning, Alan Thein, et al. Saving the Forests: What Will It Taken. Worldwatch Institute, 1993.