APA (7th ed.) Citation

Campbell Collaboration & Egli, N. (2009). Effects of drug substitution programs on offending among drug-addicts. Campbell systematic reviews.

Chicago Style (17th ed.) Citation

Campbell Collaboration and Nicole Egli. "Effects of Drug Substitution Programs on Offending Among Drug-addicts." Campbell Systematic Reviews 2009.

MLA (9th ed.) Citation

Campbell Collaboration and Nicole Egli. "Effects of Drug Substitution Programs on Offending Among Drug-addicts." Campbell Systematic Reviews, 2009.

Warning: These citations may not always be 100% accurate.