APA (7e ed.) Bronvermelding

(1988). The state of population theory: forward from: Malthus. Basil Blackwell.

Chicago (17e ed.) Bronvermelding

The State of Population Theory: Forward from: Malthus. New York: Basil Blackwell, 1988.

MLA (9e ed.) Bronvermelding

The State of Population Theory: Forward from: Malthus. Basil Blackwell, 1988.

Let op: Deze citaties zijn niet altijd 100% accuraat.