Petry, N. M., & Bickel, W. K. (1998). A behavioral economic analysis of polydrug abuse in heroin addicts. National Bureau of Economic Research.
Chicago Style (17th ed.) CitationPetry, Nancy M., and Warren K. Bickel. A Behavioral Economic Analysis of Polydrug Abuse in Heroin Addicts. Cambridge, MA: National Bureau of Economic Research, 1998.
MLA (9th ed.) CitationPetry, Nancy M., and Warren K. Bickel. A Behavioral Economic Analysis of Polydrug Abuse in Heroin Addicts. National Bureau of Economic Research, 1998.
Warning: These citations may not always be 100% accurate.