APA (7th ed.) Citation

Norton, D., & Norton, D. (1993). From 1700 to the present day. Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Norton, David, and David Norton. From 1700 to the Present Day. Cambridge [u.a.]: Cambridge Univ. Press, 1993.

MLA (8th ed.) Citation

Norton, David, and David Norton. From 1700 to the Present Day. Cambridge Univ. Press, 1993.