Cita APA (7a ed.)

Virginia, Department of Criminal Justice Services, & Virginia Department of Criminal Justice Services. (1991). Drugs in Virginia: A criminal justice perspective.

Cita Chicago Style (17a ed.)

Virginia, Department of Criminal Justice Services, y Virginia Department of Criminal Justice Services. Drugs in Virginia: A Criminal Justice Perspective. Richmond, Va, 1991.

Cita MLA (8a ed.)

Virginia, Department of Criminal Justice Services, y Virginia Department of Criminal Justice Services. Drugs in Virginia: A Criminal Justice Perspective. 1991.