APA (7th ed.) Citation

National Book Store Editorial Staff & Philippines. (1975). Engineering laws of the Philippines (Revised edition.). National Book Store.

Chicago Style (17th ed.) Citation

National Book Store Editorial Staff and Philippines. Engineering Laws of the Philippines. Revised edition. [Manila]: National Book Store, 1975.

MLA (9th ed.) Citation

National Book Store Editorial Staff and Philippines. Engineering Laws of the Philippines. Revised edition. National Book Store, 1975.