Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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