Cita APA (7a ed.)

Guild, E., Geyer, F., & Geyer, F. (2008). Security versus justice?: Police and judicial cooperation in the European Union. Ashgate.

Cita Chicago Style (17a ed.)

Guild, Elspeth, Florian Geyer, y Florian Geyer. Security Versus Justice?: Police and Judicial Cooperation in the European Union. Aldershot, Hampshire [u.a.]: Ashgate, 2008.

Cita MLA (8a ed.)

Guild, Elspeth, et al. Security Versus Justice?: Police and Judicial Cooperation in the European Union. Ashgate, 2008.