APA (7th ed.) Citation

Bobby P. Smyth, Khalifa Elmusharaf, & Walter Cullen. (2018). Opioid substitution treatment and heroin dependent adolescents: Reductions in heroin use and treatment retention over twelve months. BMC.

Chicago Style (17th ed.) Citation

Bobby P. Smyth, Khalifa Elmusharaf, and Walter Cullen. Opioid Substitution Treatment and Heroin Dependent Adolescents: Reductions in Heroin Use and Treatment Retention over Twelve Months. BMC, 2018.

MLA (9th ed.) Citation

Bobby P. Smyth, et al. Opioid Substitution Treatment and Heroin Dependent Adolescents: Reductions in Heroin Use and Treatment Retention over Twelve Months. BMC, 2018.

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