Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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