Cita APA

Stebbins, R. C. 1., & Cohen, N. W. 1. (1995). A natural history of amphibians. Princeton, New Jersey: Princeton University Press.

Citación estilo Chicago

Stebbins, Robert Cyril 1915-2013, y Nathan W. 1919-1997 Cohen. A Natural History of Amphibians. Princeton, New Jersey: Princeton University Press, 1995.

Cita MLA

Stebbins, Robert Cyril 1915-2013, y Nathan W. 1919-1997 Cohen. A Natural History of Amphibians. Princeton, New Jersey: Princeton University Press, 1995.