Cita APA (7a ed.)

Carnwath, T., & Smith, I. (2002). Heroin century. Routledge.

Cita Chicago Style (17a ed.)

Carnwath, Tom, y Ian Smith. Heroin Century. London ; New York: Routledge, 2002.

Cita MLA (9a ed.)

Carnwath, Tom, y Ian Smith. Heroin Century. Routledge, 2002.