Cita APA (7th ed.)

Johnstone, R. W. (2015). Protecting transportation: Implementing security policies and programs (1a. ed.). Elsevier.

Cita Chicago (17th ed.)

Johnstone, R. William. Protecting Transportation: Implementing Security Policies and Programs. 1a. ed. Waltham: Elsevier, 2015.

Cita MLA (9th ed.)

Johnstone, R. William. Protecting Transportation: Implementing Security Policies and Programs. 1a. ed. Elsevier, 2015.