APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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