Citazione APA

Goddard, H. H. (1912). The Kallikak family: A study in the heredity of feeblemindedness. The Macmillan Company.

Stile di citazione Chicago

Goddard, Henry Herbert. The Kallikak Family: A Study in the Heredity of Feeblemindedness. New York: The Macmillan Company, 1912.

Citazione MLA

Goddard, Henry Herbert. The Kallikak Family: A Study in the Heredity of Feeblemindedness. The Macmillan Company, 1912.