MLA

UNAIDS, and World Health Organization. Guidelines for the Psychosocially Assisted Pharmacological Treatment of Opioid Dependence. Geneva: World Health Organization, 2008.

APA

UNAIDS, U., & World Health Organization, W. Health Organization. (2008). Guidelines for the Psychosocially Assisted Pharmacological Treatment of Opioid Dependence. Geneva: World Health Organization.

Chicago

UNAIDS, and World Health Organization. Guidelines for the Psychosocially Assisted Pharmacological Treatment of Opioid Dependence. Geneva: World Health Organization, 2008.