APA (7th ed.) Citation

Aruego, J. M., & Aruego-Torress, G. E. (1981). Principles of political science (1981 rev. ed.). University Book Supply, Inc.

Chicago Style (17th ed.) Citation

Aruego, Jose M., and Gloria E. Aruego-Torress. Principles of Political Science. 1981 rev. ed. Manila: University Book Supply, Inc, 1981.

MLA (9th ed.) Citation

Aruego, Jose M., and Gloria E. Aruego-Torress. Principles of Political Science. 1981 rev. ed. University Book Supply, Inc, 1981.