Cita APA (7a ed.)

Silverman, K., & Robles-Sotelo, E. (1998). Employment as a drug abuse treatment intervention: A behavioral economic analysis. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Silverman, Kenneth, y Elías Robles-Sotelo. Employment as a Drug Abuse Treatment Intervention: A Behavioral Economic Analysis. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Silverman, Kenneth, y Elías Robles-Sotelo. Employment as a Drug Abuse Treatment Intervention: A Behavioral Economic Analysis. National Bureau of Economic Research, 1998.