APA (7th ed.) Citation

(1990). Selected annotated bibliography on essential drugs (1 ed.). World Health organization.

Chicago Style (17th ed.) Citation

Selected Annotated Bibliography on Essential Drugs. 1 ed. Washington: World Health organization, 1990.

MLA (9th ed.) Citation

Selected Annotated Bibliography on Essential Drugs. 1 ed. World Health organization, 1990.

Warning: These citations may not always be 100% accurate.