APA (7th ed.) Citation

O'Brien, D. M. (2003). Constitutional law and politics (5th ed.). Norton.

Chicago Style (17th ed.) Citation

O'Brien, David M. Constitutional Law and Politics. 5th ed. New York: Norton, 2003.

MLA (9th ed.) Citation

O'Brien, David M. Constitutional Law and Politics. 5th ed. Norton, 2003.