APA (7th ed.) Citation

De Leon, S. O. (1984). Police primer. National Bookstore.

Chicago Style (17th ed.) Citation

De Leon, Sixto O. Police Primer. Metro Manila: National Bookstore, 1984.

MLA (9th ed.) Citation

De Leon, Sixto O. Police Primer. National Bookstore, 1984.

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