Cita APA

(1997). The national drug control strategy: 1997. Washington, D.C.: Office of National Drug Control Policy, Executive office of the President.

Citación estilo Chicago

The National Drug Control Strategy: 1997. Washington, D.C.: Office of National Drug Control Policy, Executive office of the President, 1997.

Cita MLA

The National Drug Control Strategy: 1997. Washington, D.C.: Office of National Drug Control Policy, Executive office of the President, 1997.