APA (7th ed.) Citation

Walker, S. (1977). A critical history of police reform: The emergence of professionalism. Lexington Books.

Chicago Style (17th ed.) Citation

Walker, Samuel. A Critical History of Police Reform: The Emergence of Professionalism. Lexington, Mass. [u.a.]: Lexington Books, 1977.

MLA (8th ed.) Citation

Walker, Samuel. A Critical History of Police Reform: The Emergence of Professionalism. Lexington Books, 1977.

Warning: These citations may not always be 100% accurate.