Cita APA (7a ed.)

Agelink, M. T. G., & Gestel, G. J. A. H. v. (1989). Comparative information on police systems. Report of the European Police Summer Course 1989, 33-53.

Cita Chicago Style (17a ed.)

Agelink, M. T. G., y G. J. A. H. van Gestel. "Comparative Information on Police Systems." Report of the European Police Summer Course 1989 1989: 33-53.

Cita MLA (8a ed.)

Agelink, M. T. G., y G. J. A. H. van Gestel. "Comparative Information on Police Systems." Report of the European Police Summer Course 1989, 1989, pp. 33-53.