APA (7th ed.) Citation

Dix, M. C., & Layzell, A. D. (1983). Road users and the police. Croom Helm.

Chicago Style (17th ed.) Citation

Dix, Martin C., and A. D. Layzell. Road Users and the Police. London [u.a.]: Croom Helm, 1983.

MLA (8th ed.) Citation

Dix, Martin C., and A. D. Layzell. Road Users and the Police. Croom Helm, 1983.