McClellan, J. E., & Dorn, H. (2006). Science and technology in world history: An introduction (2nd ed.). Johns Hopkins University Press.

McClellan, James E., and Harold Dorn. Science and Technology in World History: An Introduction. 2nd ed. Baltimore: Johns Hopkins University Press, 2006.

McClellan, James E., and Harold Dorn. Science and Technology in World History: An Introduction. 2nd ed. Johns Hopkins University Press, 2006.