APA Citation

Boer, M. d. (1991). Schengen: Intergovernmental scenario for European police co-operation.A system of European police co-operation in 1992.

Chicago Style Citation

Boer, Monica den. "Schengen: Intergovernmental Scenario for European Police Co-operation." A System of European Police Co-operation in 1992 1991

MLA Citation

Boer, Monica den. "Schengen: Intergovernmental Scenario for European Police Co-operation." A System of European Police Co-operation in 1992 1991

Warning: These citations may not always be 100% accurate.