APA (7th ed.) Citation

Paterson, J. H. (1970). North America: A geography of Canada and the United States (4th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Paterson, John Harris. North America: A Geography of Canada and the United States. 4th ed. [London]: Oxford University Press, 1970.

MLA (9th ed.) Citation

Paterson, John Harris. North America: A Geography of Canada and the United States. 4th ed. Oxford University Press, 1970.