APA (7th ed.) Citation

Causing, L. T., & Causing, V. B. (1980). Philippine government under the new constitution (New ed.). L.T. Causing.

Chicago Style (17th ed.) Citation

Causing, Leopoldo T., and Virgilia B. Causing. Philippine Government Under the New Constitution. New ed. Iloilo City: L.T. Causing, 1980.

MLA (9th ed.) Citation

Causing, Leopoldo T., and Virgilia B. Causing. Philippine Government Under the New Constitution. New ed. L.T. Causing, 1980.