Παραπομπή σε μορφή APA (7η εκδ.)

Calhoun, J. B. (1983). Environment and population: Problems of adaptation : an experimental book integrating statements by 162 contributors. Praeger.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Calhoun, John B. Environment and Population: Problems of Adaptation : An Experimental Book Integrating Statements by 162 Contributors. New York: Praeger, 1983.

Παραπομπή σε μορφή MLA (9th εκδ.)

Calhoun, John B. Environment and Population: Problems of Adaptation : An Experimental Book Integrating Statements by 162 Contributors. Praeger, 1983.