APA (7th ed.) Citation

Bopp, W. J., & Schultz, D. O. (1974). Principles of American law enforcement and criminal justice (2.print.). Thomas.

Chicago Style (17th ed.) Citation

Bopp, William J., and Donald O. Schultz. Principles of American Law Enforcement and Criminal Justice. 2.print. Springfield: Thomas, 1974.

MLA (9th ed.) Citation

Bopp, William J., and Donald O. Schultz. Principles of American Law Enforcement and Criminal Justice. 2.print. Thomas, 1974.