Cita APA (7th ed.)

Garcia, M. A. (2011). Comparative police system. Wiseman's Books Trading.

Cita Chicago (17th ed.)

Garcia, Mario A. Comparative Police System. Quezon City: Wiseman's Books Trading, 2011.

Cita MLA (9th ed.)

Garcia, Mario A. Comparative Police System. Wiseman's Books Trading, 2011.