APA (7th ed.) Citation

Chappell, D., Wilson, P. R., Chappell, D., & Wilson, P. R. (1989). Australian policing: Contemporary issues. Butterworths.

Chicago Style (17th ed.) Citation

Chappell, Duncan, Paul R. Wilson, Duncan Chappell, and Paul R. Wilson. Australian Policing: Contemporary Issues. Sydney [u.a.]: Butterworths, 1989.

MLA (8th ed.) Citation

Chappell, Duncan, et al. Australian Policing: Contemporary Issues. Butterworths, 1989.