APA Style

Organization., W, H. (1997). The Use of Essential Drugs: Seventh report of the WHO Expert Committee (including the revised Model list of essential drugs) (First Edition). Geneva: World Health Organization.

MLA Style

Organization., World, Health. "The Use of Essential Drugs: Seventh report of the WHO Expert Committee (including the revised Model list of essential drugs)". First Edition Geneva: World Health Organization, 1997. Text.