Cita APA (7a ed.)

Chappell, D., & Wilson, P. R. (1971). The Effects of Police Withdrawal from Traffic Control: A Comparative Study.

Cita Chicago Style (17a ed.)

Chappell, D., y P. R. Wilson. The Effects of Police Withdrawal from Traffic Control: A Comparative Study. 1971.

Cita MLA (9a ed.)

Chappell, D., y P. R. Wilson. The Effects of Police Withdrawal from Traffic Control: A Comparative Study. 1971.

Precaución: Estas citas no son 100% exactas.