Cita APA (7a ed.)

Clapp, W. M. (1987). Modern law enforcement: Weapons & tactics. DBI Books.

Cita Chicago Style (17a ed.)

Clapp, Wiley M. Modern Law Enforcement: Weapons & Tactics. Northbrook, Ill: DBI Books, 1987.

Cita MLA (8a ed.)

Clapp, Wiley M. Modern Law Enforcement: Weapons & Tactics. DBI Books, 1987.