Cita APA (7a ed.)

Dilworth, D. C. (1976). The blue and the brass: American policing, 1890 - 1910. International Association of Chiefs of Police.

Cita Chicago Style (17a ed.)

Dilworth, Donald C. The Blue and the Brass: American Policing, 1890 - 1910. Gaithersburg, Md: International Association of Chiefs of Police, 1976.

Cita MLA (9a ed.)

Dilworth, Donald C. The Blue and the Brass: American Policing, 1890 - 1910. International Association of Chiefs of Police, 1976.