APA stil citiranja

Ehrlich, P. R. (1972). Population Resources Enviroment: Population Resources Enviroment : issues in human ecology (2nd. ed.). San Francisco: W.H. Freeman and Company.

Chicago stil citiranja

Ehrlich, Paul R. Population Resources Enviroment: Population Resources Enviroment : issues in human ecology. 2nd. ed. San Francisco: W.H. Freeman and Company, 1972.

MLA stil citiranja

Ehrlich, Paul R. Population Resources Enviroment: Population Resources Enviroment : issues in human ecology. 2nd. ed. San Francisco: W.H. Freeman and Company, 1972.

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