APA (7th ed.) Citation

Walker, N. (1971). Crimes, courts and figures: An introd. to criminal statistics. Penguin Books.

Chicago Style (17th ed.) Citation

Walker, Nigel. Crimes, Courts and Figures: An Introd. to Criminal Statistics. Harmondsworth: Penguin Books, 1971.

MLA (8th ed.) Citation

Walker, Nigel. Crimes, Courts and Figures: An Introd. to Criminal Statistics. Penguin Books, 1971.