Cita APA (7th ed.)
KREUZER, A., & STOCK, J. (1997). POLICING DRUG ADDICTS IN GERMANY.
Cita Chicago (17th ed.)
KREUZER, A., i J. STOCK. POLICING DRUG ADDICTS IN GERMANY. 1997.
Cita MLA (9th ed.)
KREUZER, A., i J. STOCK. POLICING DRUG ADDICTS IN GERMANY. 1997.
Atenció: Aquestes cites poden no estar 100% correctes.