APA (7th ed.) Citation

O'Leary, T. J., & Levinson, D. (1994). North America. G.K. Hall & Company.

Chicago Style (17th ed.) Citation

O'Leary, Timothy J., and David Levinson. North America. New York: G.K. Hall & Company, 1994.

MLA (9th ed.) Citation

O'Leary, Timothy J., and David Levinson. North America. G.K. Hall & Company, 1994.