APA (7th ed.) Citation

Roach, J. (1985). Police and public order in Europe. Croom Helm.

Chicago Style (17th ed.) Citation

Roach, John. Police and Public Order in Europe. London [u.a.]: Croom Helm, 1985.

MLA (8th ed.) Citation

Roach, John. Police and Public Order in Europe. Croom Helm, 1985.