Cita APA (7a ed.)

Courtwright, D. T. (2001). Forces of habit: Drugs and the making of the modern world. Harvard Univ. Press.

Cita Chicago Style (17a ed.)

Courtwright, David T. Forces of Habit: Drugs and the Making of the Modern World. Cambridge, Mass. London: Harvard Univ. Press, 2001.

Cita MLA (9a ed.)

Courtwright, David T. Forces of Habit: Drugs and the Making of the Modern World. Harvard Univ. Press, 2001.