Cita APA (7a ed.)

Walker, W. O. (1981). Drug control in the Americas. University of New Mexico Press.

Cita Chicago Style (17a ed.)

Walker, William O. Drug Control in the Americas. Albuquerque: University of New Mexico Press, 1981.

Cita MLA (9a ed.)

Walker, William O. Drug Control in the Americas. University of New Mexico Press, 1981.