APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告:這些引文格式不一定是100%准確.