Richards, D. A. J. (1989). Foundations of American constitutionalism. Oxford University Press.
Chicago Style (17th ed.) CitationRichards, David A. J. Foundations of American Constitutionalism. New York: Oxford University Press, 1989.
MLA (9th ed.) CitationRichards, David A. J. Foundations of American Constitutionalism. Oxford University Press, 1989.
Warning: These citations may not always be 100% accurate.