APA (7th ed.) Citation

Philippines. Constitution, 1973, & National Book Store Inc. (1977). The new constitution of the Philippines explained (Rev. ed.). National Book Store.

Chicago Style (17th ed.) Citation

Philippines. Constitution, 1973, and National Book Store Inc. The New Constitution of the Philippines Explained. Rev. ed. [Manila]: National Book Store, 1977.

MLA (9th ed.) Citation

Philippines. Constitution, 1973, and National Book Store Inc. The New Constitution of the Philippines Explained. Rev. ed. National Book Store, 1977.

Warning: These citations may not always be 100% accurate.