Cita APA (7th ed.)

Coulter, E. M. (1991). Principles of politics and government (4th.ed.). Allyn and Bacon.

Cita Chicago (17th ed.)

Coulter, Edwin M. Principles of Politics and Government. 4th.ed. Dubuque: Allyn and Bacon, 1991.

Cita MLA (9th ed.)

Coulter, Edwin M. Principles of Politics and Government. 4th.ed. Allyn and Bacon, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.