Cita APA (7a ed.)

Johnstone, R. W. (2015). Protecting transportation: Implementing security policies and programs. Elsevier Ltd..

Cita Chicago Style (17a ed.)

Johnstone, R. William. Protecting Transportation: Implementing Security Policies and Programs. Oxford: Elsevier Ltd., 2015.

Cita MLA (8a ed.)

Johnstone, R. William. Protecting Transportation: Implementing Security Policies and Programs. Elsevier Ltd., 2015.