APA (7th ed.) Citation

Boal, F. W., & Royle, S. A. (1999). North America: A geographical mosaic. Arnold ; Co-published in U.S.A. by Oxford University Press.

Chicago Style (17th ed.) Citation

Boal, Frederick Wilgar, and Stephen A. Royle. North America: A Geographical Mosaic. London : New York: Arnold ; Co-published in U.S.A. by Oxford University Press, 1999.

MLA (9th ed.) Citation

Boal, Frederick Wilgar, and Stephen A. Royle. North America: A Geographical Mosaic. Arnold ; Co-published in U.S.A. by Oxford University Press, 1999.