Cita APA (7a ed.)

Drug Policy Foundation & Trebach, A. S. (1991). New frontiers in drug policy.

Cita Chicago Style (17a ed.)

Drug Policy Foundation y Arnold S. Trebach. New Frontiers in Drug Policy. Washington, DC, 1991.

Cita MLA (9a ed.)

Drug Policy Foundation y Arnold S. Trebach. New Frontiers in Drug Policy. 1991.