APA (7e ed.) Bronvermelding

Calhoun, D. H. (1973). The intelligence of a people. Princeton University Press.

Chicago (17e ed.) Bronvermelding

Calhoun, Daniel Hovey. The Intelligence of a People. Princeton, N.J.: Princeton University Press, 1973.

MLA (8e ed.) Bronvermelding

Calhoun, Daniel Hovey. The Intelligence of a People. Princeton University Press, 1973.