Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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