APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.