Cita APA (7a ed.)

Weston, P. B. (1978). The police traffic control function (4th ed.). Thomas.

Cita Chicago Style (17a ed.)

Weston, Paul B. The Police Traffic Control Function. 4th ed. Springfield, Ill: Thomas, 1978.

Cita MLA (8a ed.)

Weston, Paul B. The Police Traffic Control Function. 4th ed. Thomas, 1978.