Garner, G. W. (1990). High-risk patrol: Reducing the danger to you. Thomas.
Cita Chicago Style (17a ed.)Garner, Gerald W. High-risk Patrol: Reducing the Danger to You. Springfield, Ill: Thomas, 1990.
Cita MLA (8a ed.)Garner, Gerald W. High-risk Patrol: Reducing the Danger to You. Thomas, 1990.
Precaución: Estas citas no son 100% exactas.