APA

Burt s. C. L., . (1948). Intelligence and fertility. London: Eugenics Society.

Chicago

Burt sir Cyril Lodowic, . 1948. Intelligence and fertility. London: Eugenics Society.

Harvard

Burt s. C. L., . (1948). Intelligence and fertility. London: Eugenics Society.

MLA

Burt sir Cyril Lodowic, . Intelligence and fertility. London: Eugenics Society. 1948.