Spanagel, R. (2011). Why do we take drugs?: From the drug-reinforcement theory to a novel concept of drug instrumentalization. Behavioral and brain sciences, 34(6), . https://doi.org/10.1017/S0140525X11000847
Chicago-Zitierstil (17. Ausg.)Spanagel, Rainer. "Why Do We Take Drugs?: From the Drug-reinforcement Theory to a Novel Concept of Drug Instrumentalization." Behavioral and Brain Sciences 34, no. 6 (2011). https://doi.org/10.1017/S0140525X11000847.
MLA-Zitierstil (9. Ausg.)Spanagel, Rainer. "Why Do We Take Drugs?: From the Drug-reinforcement Theory to a Novel Concept of Drug Instrumentalization." Behavioral and Brain Sciences, vol. 34, no. 6, 2011, https://doi.org/10.1017/S0140525X11000847.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.