Citazione Stile APA (7a Edizione)

Paterson, J. H. (1975). North America: A geography of Canada and the United States (5th ed.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Paterson, John Harris. North America: A Geography of Canada and the United States. 5th ed. New York: Oxford University Press, 1975.

Citatione MLA (9a ed.)

Paterson, John Harris. North America: A Geography of Canada and the United States. 5th ed. Oxford University Press, 1975.