APA (7th ed.) Citation

Watson, J. W. (1967). North America, its countries and regions ([Rev. ed.].). F.A.Praeger.

Chicago Style (17th ed.) Citation

Watson, J. Wreford. North America, Its Countries and Regions. [Rev. ed.]. New York: F.A.Praeger, 1967.

MLA (9th ed.) Citation

Watson, J. Wreford. North America, Its Countries and Regions. [Rev. ed.]. F.A.Praeger, 1967.