APA (7th ed.) Citation

Organización Mundial de la Salud. (Meeting. (1990). The Use of essential drugs: Fourth report of the WHO Expert Committee. World Health Organization.

Chicago Style (17th ed.) Citation

Organización Mundial de la Salud. (Meeting. The Use of Essential Drugs: Fourth Report of the WHO Expert Committee. Geneva: World Health Organization, 1990.

MLA (9th ed.) Citation

Organización Mundial de la Salud. (Meeting. The Use of Essential Drugs: Fourth Report of the WHO Expert Committee. World Health Organization, 1990.