APA (7th ed.) Citation

Philippinen & Philippinen. (1968). Constitution of the Philippines (Rev. ed.). Philippine Books Co.

Chicago Style (17th ed.) Citation

Philippinen and Philippinen. Constitution of the Philippines. Rev. ed. Manila: Philippine Books Co, 1968.

MLA (9th ed.) Citation

Philippinen and Philippinen. Constitution of the Philippines. Rev. ed. Philippine Books Co, 1968.