Cita APA

Walker, S. (2005). The Police in America. New York: Philip A. Butcher.

Chicago Style Citation

Walker, Samuel. The Police in America. New York: Philip A. Butcher, 2005.

Cita MLA

Walker, Samuel. The Police in America. New York: Philip A. Butcher, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.