Cita APA (7a ed.)

Postel, S., & Heise, L. (1988). Reforesting the earth. Worldwatch Institute.

Cita Chicago Style (17a ed.)

Postel, Sandra, y Lori Heise. Reforesting the Earth. Washington, DC: Worldwatch Institute, 1988.

Cita MLA (9a ed.)

Postel, Sandra, y Lori Heise. Reforesting the Earth. Worldwatch Institute, 1988.