Cita APA (7a ed.)

USA, Office of National Drug Control Policy, MacCaffrey, B. R., & USA Office of National Drug Control Policy. (1997). What America's users spend on illegal drugs, 1988 - 1995. Office of National Drug Control Policy.

Cita Chicago Style (17a ed.)

USA, Office of National Drug Control Policy, Barry R. MacCaffrey, y USA Office of National Drug Control Policy. What America's Users Spend on Illegal Drugs, 1988 - 1995. Washington, DC: Office of National Drug Control Policy, 1997.

Cita MLA (8a ed.)

USA, Office of National Drug Control Policy, et al. What America's Users Spend on Illegal Drugs, 1988 - 1995. Office of National Drug Control Policy, 1997.