Cita APA (7a ed.)

Simpson, M. (2007). Drugs in Britain: Supply, consumption and control. Palgrave Macmillan.

Cita Chicago Style (17a ed.)

Simpson, Mark. Drugs in Britain: Supply, Consumption and Control. Houndmills, Basingstoke [u.a.]: Palgrave Macmillan, 2007.

Cita MLA (9a ed.)

Simpson, Mark. Drugs in Britain: Supply, Consumption and Control. Palgrave Macmillan, 2007.