APA (7th ed.) Citation
PETRY, N., & BICKEL, W. POLYDRUG ABUSE IN HEROIN ADDICTS: A BEHAVIORAL ECONOMIC ANALYSIS.
Chicago Style (17th ed.) Citation
PETRY, N.M, and W.K BICKEL. POLYDRUG ABUSE IN HEROIN ADDICTS: A BEHAVIORAL ECONOMIC ANALYSIS.
MLA (9th ed.) Citation
PETRY, N.M, and W.K BICKEL. POLYDRUG ABUSE IN HEROIN ADDICTS: A BEHAVIORAL ECONOMIC ANALYSIS.
Warning: These citations may not always be 100% accurate.