Cita APA (7a ed.)

Collinsworth, R. A. (1984). In the middle: The role of the police sergeant. Univ. Microfilms International.

Cita Chicago Style (17a ed.)

Collinsworth, Roger A. In the Middle: The Role of the Police Sergeant. Ann Arbor, Mich: Univ. Microfilms International, 1984.

Cita MLA (8a ed.)

Collinsworth, Roger A. In the Middle: The Role of the Police Sergeant. Univ. Microfilms International, 1984.