APA (7th ed.) Zitazioa

Bernal, J. D. (1969). Science in history. Penguin.

Chicago Style (17th ed.) Zitazioa

Bernal, John Desmond. Science in History. Harmondsworth: Penguin, 1969.

MLA (9th ed.) Zitazioa

Bernal, John Desmond. Science in History. Penguin, 1969.