Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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