Cita APA (7a ed.)

Berridge, V., & Edwards, G. (1987). Opium and the people: Opiate use in 19th-century England (Reprint, London 1981.). Yale Univ. Pr.

Cita Chicago Style (17a ed.)

Berridge, Virginia, y Griffith Edwards. Opium and the People: Opiate Use in 19th-century England. Reprint, London 1981. New Haven [u.a.]: Yale Univ. Pr, 1987.

Cita MLA (9a ed.)

Berridge, Virginia, y Griffith Edwards. Opium and the People: Opiate Use in 19th-century England. Reprint, London 1981. Yale Univ. Pr, 1987.