APA (7th ed.) Citation

Coleman, J. J., Goldstein, K. M., & Howell, W. G. (2011). Understanding American politics and government (2010 update.). Longman.

Chicago Style (17th ed.) Citation

Coleman, John J., Kenneth M. Goldstein, and William G. Howell. Understanding American Politics and Government. 2010 update. New York: Longman, 2011.

MLA (9th ed.) Citation

Coleman, John J., et al. Understanding American Politics and Government. 2010 update. Longman, 2011.