Cita APA (7a ed.)

Berridge, V. (1999). Opium and the people: Opiate use and drug control policy in nineteenth and early twentieth century England (Revised edition.). Free Association Books.

Cita Chicago Style (17a ed.)

Berridge, Virginia. Opium and the People: Opiate Use and Drug Control Policy in Nineteenth and Early Twentieth Century England. Revised edition. London New York: Free Association Books, 1999.

Cita MLA (9a ed.)

Berridge, Virginia. Opium and the People: Opiate Use and Drug Control Policy in Nineteenth and Early Twentieth Century England. Revised edition. Free Association Books, 1999.

Precaución: Estas citas no son 100% exactas.