APA (7th ed.) Citation

Holdren, P. R. E. ;. A. R. E. ;. J. P. (1977). Ecoscience: Population, Resources, Environment - Paul R. Ehrlich. W.H.Freeman And Company.

Chicago Style (17th ed.) Citation

Holdren, Paul R. Ehrlich ; Anne R. Ehrlich ; John P. Ecoscience: Population, Resources, Environment - Paul R. Ehrlich. W.H.Freeman And Company, 1977.

MLA (8th ed.) Citation

Holdren, Paul R. Ehrlich ; Anne R. Ehrlich ; John P. Ecoscience: Population, Resources, Environment - Paul R. Ehrlich. W.H.Freeman And Company, 1977.