Cita APA (7th ed.)

Valenzuela, E. E. (2016). Understanding basic concepts in political science (2nd edition.). Unlimited Books Library Services and Publishing, Inc.

Cita Chicago (17th ed.)

Valenzuela, Edwin E. Understanding Basic Concepts in Political Science. 2nd edition. Manila: Unlimited Books Library Services and Publishing, Inc, 2016.

Cita MLA (9th ed.)

Valenzuela, Edwin E. Understanding Basic Concepts in Political Science. 2nd edition. Unlimited Books Library Services and Publishing, Inc, 2016.