Gaya APA

R., E, P. (2008). The dominant animal :Human Evolution and the enviroment / Paul R. Ehrlich and Anne H. Ehrlich (Ed.1., Cet. 1). Washington: Island press.

Gaya MLA

R., Ehrch, Paul. "The dominant animal :Human Evolution and the enviroment / Paul R. Ehrlich and Anne H. Ehrlich". Ed.1., Cet. 1 Washington: Island press, 2008. Text.