APA (7th ed.) Citation

Cock, P. d. (1992). The Belgian police and European co-operation. A system of European police co-operation in 1992.

Chicago Style (17th ed.) Citation

Cock, Philippe de. "The Belgian Police and European Co-operation." A System of European Police Co-operation in 1992 1992.

MLA (9th ed.) Citation

Cock, Philippe de. "The Belgian Police and European Co-operation." A System of European Police Co-operation in 1992, 1992.