Everingham, S. M. S., Caulkins, J. P., & Rydell, C. P. (1995). Cocaine consumption in the United States: Estimating past trends and future scenarios. Socio-economic planning sciences, 29(4), 305-314. doi:10.1016/0038-0121(95)00018-6
Cita Chicago Style (17a ed.)Everingham, Susan M. Sohler, Jonathan P. Caulkins, y C. Peter Rydell. "Cocaine Consumption in the United States: Estimating Past Trends and Future Scenarios." Socio-economic Planning Sciences 29, no. 4 (1995): 305-314. https://doi.org/10.1016/0038-0121(95)00018-6.
Cita MLA (9a ed.)Everingham, Susan M. Sohler, et al. "Cocaine Consumption in the United States: Estimating Past Trends and Future Scenarios." Socio-economic Planning Sciences, vol. 29, no. 4, 1995, pp. 305-314, https://doi.org/10.1016/0038-0121(95)00018-6.