Cita APA (7a ed.)

Seddon, T., Williams, L., & Ralphs, R. (2012). Tough choices: Risk, security and the criminalization of drug policy (1. ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Seddon, Toby, Lisa Williams, y Robert Ralphs. Tough Choices: Risk, Security and the Criminalization of Drug Policy. 1. ed. Oxford: Oxford University Press, 2012.

Cita MLA (9a ed.)

Seddon, Toby, et al. Tough Choices: Risk, Security and the Criminalization of Drug Policy. 1. ed. Oxford University Press, 2012.