APA Citation

Ehrlich, P. R. (1977). Ecoscience: Population, Resources, Environment. W.H.Freeman and Company.

Chicago Style Citation

Ehrlich, Paul R. Ecoscience: Population, Resources, Environment. W.H.Freeman and Company, 1977.

MLA Citation

Ehrlich, Paul R. Ecoscience: Population, Resources, Environment. W.H.Freeman and Company, 1977.

Warning: These citations may not always be 100% accurate.