Cita APA (7a ed.)

Schelter, K. (2003). The contribution of the Schengen system to the European area of freedom, security and justice. EuroCriminology, 17, 11-16.

Cita Chicago Style (17a ed.)

Schelter, Kurt. "The Contribution of the Schengen System to the European Area of Freedom, Security and Justice." EuroCriminology 17 (2003): 11-16.

Cita MLA (9a ed.)

Schelter, Kurt. "The Contribution of the Schengen System to the European Area of Freedom, Security and Justice." EuroCriminology, 17, 2003, pp. 11-16.