Cita APA (7a ed.)

O'Brien, D. M. (2008). Constitutional law and politics: 1, Struggles for power and governmental accountability (7th ed.). W.W. Norton.

Cita Chicago Style (17a ed.)

O'Brien, David M. Constitutional Law and Politics: 1, Struggles for Power and Governmental Accountability. 7th ed. New York: W.W. Norton, 2008.

Cita MLA (9a ed.)

O'Brien, David M. Constitutional Law and Politics: 1, Struggles for Power and Governmental Accountability. 7th ed. W.W. Norton, 2008.