Cita APA

Simmons, I. G. (1974). The ecology of natural resources. New York: Halsted Press.

Citación estilo Chicago

Simmons, Ian Gordon. The Ecology of Natural Resources. New York: Halsted Press, 1974.

Cita MLA

Simmons, Ian Gordon. The Ecology of Natural Resources. New York: Halsted Press, 1974.