Gillman, H., Graber, M. A., & Whittington, K. E. (2013). American constitutionalism. Oxford University Press.
Chicago Style (17th ed.) CitationGillman, Howard, Mark A. Graber, and Keith E. Whittington. American Constitutionalism. New York: Oxford University Press, 2013.
MLA (9th ed.) CitationGillman, Howard, et al. American Constitutionalism. Oxford University Press, 2013.
Warning: These citations may not always be 100% accurate.