APA (7th ed.) Citation

Zaide, G. F., & Zaide, S. M. (1969). Introduction to political science. Alca.

Chicago Style (17th ed.) Citation

Zaide, Gregorio F., and Sonia M. Zaide. Introduction to Political Science. Quezon City: Alca, 1969.

MLA (9th ed.) Citation

Zaide, Gregorio F., and Sonia M. Zaide. Introduction to Political Science. Alca, 1969.