Cita APA (7a ed.)

Boer, M. d. (2015). Police professionalism in the European Union. Police cooperation in the European Union under the treaty of Lisbon, 101-118.

Cita Chicago Style (17a ed.)

Boer, Monica den. "Police Professionalism in the European Union." Police Cooperation in the European Union Under the Treaty of Lisbon 2015: 101-118.

Cita MLA (9a ed.)

Boer, Monica den. "Police Professionalism in the European Union." Police Cooperation in the European Union Under the Treaty of Lisbon, 2015, pp. 101-118.