Cita APA (7a ed.)

Töpfer, E. (2015). Entwicklungen der europäischen Polizeikooperation: Hartmut Adens "Police Cooperation in the European Union under the Treaty of Lisbon. Opportunities and Limitations". Vorgänge, 54(4), 133-135.

Cita Chicago Style (17a ed.)

Töpfer, Eric. "Entwicklungen Der Europäischen Polizeikooperation: Hartmut Adens "Police Cooperation in the European Union Under the Treaty of Lisbon. Opportunities and Limitations"." Vorgänge 54, no. 4 (2015): 133-135.

Cita MLA (9a ed.)

Töpfer, Eric. "Entwicklungen Der Europäischen Polizeikooperation: Hartmut Adens "Police Cooperation in the European Union Under the Treaty of Lisbon. Opportunities and Limitations"." Vorgänge, vol. 54, no. 4, 2015, pp. 133-135.