Cita APA (7a ed.)

Spear, H. B. (2002). Heroin addiction care and control: The British system 1916 - 1984. DrugScope.

Cita Chicago Style (17a ed.)

Spear, Henry B. Heroin Addiction Care and Control: The British System 1916 - 1984. London: DrugScope, 2002.

Cita MLA (9a ed.)

Spear, Henry B. Heroin Addiction Care and Control: The British System 1916 - 1984. DrugScope, 2002.