Cita APA (7a ed.)

Richardson, J. F. (1974). Urban police in the United States. Kennikat Pr.

Cita Chicago Style (17a ed.)

Richardson, James F. Urban Police in the United States. Port Washington, NY: Kennikat Pr, 1974.

Cita MLA (8a ed.)

Richardson, James F. Urban Police in the United States. Kennikat Pr, 1974.