Cita APA

 Ehrlich, P. R. (2008).  The dominant animal: Human evolution and the environment.  Island Press.

Chicago Style Citation

 Ehrlich, Paul R.  The Dominant Animal: Human Evolution and the Environment.  Island Press, 2008.

Cita MLA

 Ehrlich, Paul R.  The Dominant Animal: Human Evolution and the Environment.  Island Press, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.