APA (7th ed.) Citation

Gaines, L. K., & Kappeler, V. E. (19). Policing in America. LexisNexis.

Chicago Style (17th ed.) Citation

Gaines, Larry K., and Victor E. Kappeler. Policing in America. Newark, NJ: LexisNexis, 19.

MLA (9th ed.) Citation

Gaines, Larry K., and Victor E. Kappeler. Policing in America. LexisNexis, 19.