Cita APA (7a ed.)

Crawford, A. (2009). Crime prevention policies in comparative perspective. Willan.

Cita Chicago Style (17a ed.)

Crawford, Adam. Crime Prevention Policies in Comparative Perspective. Cullompton [u.a.]: Willan, 2009.

Cita MLA (8a ed.)

Crawford, Adam. Crime Prevention Policies in Comparative Perspective. Willan, 2009.