Cita APA (7a ed.)

Thoumi, F. E. (1993). The size of the illegal drugs industry in Colombia. North South Center.

Cita Chicago Style (17a ed.)

Thoumi, Francisco E. The Size of the Illegal Drugs Industry in Colombia. Miami: North South Center, 1993.

Cita MLA (8a ed.)

Thoumi, Francisco E. The Size of the Illegal Drugs Industry in Colombia. North South Center, 1993.