Cita APA (7a ed.)

Fijnaut, C., & Marx, G. T. (1995). Undercover: Police surveillance in comparative perspective. Kluwer Law International.

Cita Chicago Style (17a ed.)

Fijnaut, Cyrille, y Gary T. Marx. Undercover: Police Surveillance in Comparative Perspective. The Hague Boston: Kluwer Law International, 1995.

Cita MLA (8a ed.)

Fijnaut, Cyrille, y Gary T. Marx. Undercover: Police Surveillance in Comparative Perspective. Kluwer Law International, 1995.