APA (7th ed.) Citation

World Health Organization. Scientific Group on the Treatment of Psychiatric Disorders. (1991). Evaluation of methods for the treatment of mental disorders. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Scientific Group on the Treatment of Psychiatric Disorders. Evaluation of Methods for the Treatment of Mental Disorders. Geneva: World Health Organization, 1991.

MLA (8th ed.) Citation

World Health Organization. Scientific Group on the Treatment of Psychiatric Disorders. Evaluation of Methods for the Treatment of Mental Disorders. World Health Organization, 1991.