APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

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.

MLA (9th ed.) Citation

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.