Cita APA

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

Citación estilo Chicago

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

Cita MLA

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