APA (7th ed.) Citation

O'Brien, D. M. (1995). Constitutional law and politics (2nd ed.). W.W. Norton.

Chicago Style (17th ed.) Citation

O'Brien, David M. Constitutional Law and Politics. 2nd ed. New York: W.W. Norton, 1995.

MLA (9th ed.) Citation

O'Brien, David M. Constitutional Law and Politics. 2nd ed. W.W. Norton, 1995.