Cita APA

Silver, C. S., & DeFries, R. S. 1. (1990). One earth, one future: Our changing global environment. Washington, D.C.: National Academy Press.

Citación estilo Chicago

Silver, Cheryl Simon, y Ruth S. 1957- DeFries. One Earth, One Future: Our Changing Global Environment. Washington, D.C.: National Academy Press, 1990.

Cita MLA

Silver, Cheryl Simon, y Ruth S. 1957- DeFries. One Earth, One Future: Our Changing Global Environment. Washington, D.C.: National Academy Press, 1990.