Green, P. (1991). Drug couriers. Howard League for Penal Reform.
Chicago Style (17th ed.) CitationGreen, Penny. Drug Couriers. London: Howard League for Penal Reform, 1991.
MLA (9th ed.) CitationGreen, Penny. Drug Couriers. Howard League for Penal Reform, 1991.
Warning: These citations may not always be 100% accurate.