APA (7th ed.) Zitazioa

Davis, K. (1991). Resources, environment, and population: Present knowledge, future options. Oxford University Pr..

Chicago Style (17th ed.) Zitazioa

Davis, Kingsley. Resources, Environment, and Population: Present Knowledge, Future Options. New York: Oxford University Pr., 1991.

MLA (9th ed.) Zitazioa

Davis, Kingsley. Resources, Environment, and Population: Present Knowledge, Future Options. Oxford University Pr., 1991.