APA (7th ed.) Citation

Philippines. National Police Commission, Philippines, & De Leon, S. (1975). Police code. National Book Store.

Chicago Style (17th ed.) Citation

Philippines. National Police Commission, Philippines, and Sixto De Leon. Police Code. [Manila]: National Book Store, 1975.

MLA (9th ed.) Citation

Philippines. National Police Commission, et al. Police Code. National Book Store, 1975.