Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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