Cita APA (7a ed.)

Vila, B. J., & Morris, C. (1999). The role of police in American society: A documentary history. Greenwood Press.

Cita Chicago Style (17a ed.)

Vila, Bryan J., y Cynthia Morris. The Role of Police in American Society: A Documentary History. Westport, Conn. [u.a.]: Greenwood Press, 1999.

Cita MLA (8a ed.)

Vila, Bryan J., y Cynthia Morris. The Role of Police in American Society: A Documentary History. Greenwood Press, 1999.