APA (7th ed.) Citation

World Health Organization. (1987). Drug dependence: A methodology for evaluating treatment and rehabilitation. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Drug Dependence: A Methodology for Evaluating Treatment and Rehabilitation. Geneva: World Health Organization, 1987.

MLA (8th ed.) Citation

World Health Organization. Drug Dependence: A Methodology for Evaluating Treatment and Rehabilitation. World Health Organization, 1987.