Cita APA (7a ed.)

Hansen, D. A. (1972). An analysis of police concepts and programs. Thomas.

Cita Chicago Style (17a ed.)

Hansen, David A. An Analysis of Police Concepts and Programs. Springfield, Ill: Thomas, 1972.

Cita MLA (8a ed.)

Hansen, David A. An Analysis of Police Concepts and Programs. Thomas, 1972.