APA (7th ed.) Citation

Grabb, E. G., & Curtis, J. E. (2005). Regions apart: The four societies of Canada and the United States. Oxford University Press.

Chicago Style (17th ed.) Citation

Grabb, Edward G., and James E. Curtis. Regions Apart: The Four Societies of Canada and the United States. Toronto: Oxford University Press, 2005.

MLA (9th ed.) Citation

Grabb, Edward G., and James E. Curtis. Regions Apart: The Four Societies of Canada and the United States. Oxford University Press, 2005.