APA (7th ed.) Citation

Spiegel, S. L., Matthewe, E. G., Taw, J. M., & Williams, K. P. (2009). World politics in a new era (Fourth edition.). Oxford University Press.

Chicago Style (17th ed.) Citation

Spiegel, Steven L., Elizabeth G. Matthewe, Jennifer M. Taw, and Kristen P. Williams. World Politics in a New Era. Fourth edition. New York: Oxford University Press, 2009.

MLA (9th ed.) Citation

Spiegel, Steven L., et al. World Politics in a New Era. Fourth edition. Oxford University Press, 2009.