APA aipamena

Bernal, J. D. (1954). Science in history. Cambridge, Mass: M.I.T. Press.

Chicago Style aipamena

Bernal, J. D. Science in History. Cambridge, Mass: M.I.T. Press, 1954.

MLA aipamena

Bernal, J. D. Science in History. Cambridge, Mass: M.I.T. Press, 1954.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.