APA (7th ed.) Citation

Calhoun, J. B. (1983). Environment and population: Problems of adaptation. Praeger.

Chicago Style (17th ed.) Citation

Calhoun, John B. Environment and Population: Problems of Adaptation. New York: Praeger, 1983.

MLA (9th ed.) Citation

Calhoun, John B. Environment and Population: Problems of Adaptation. Praeger, 1983.