APA aipamena

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

Chicago Style aipamena

Bernal, J. D. Science in History. Autralia: Penguin Books, 1969.

MLA aipamena

Bernal, J. D. Science in History. Autralia: Penguin Books, 1969.