Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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