APA (7th ed.) Citation

World Health Organization. (1998). Basic tests for drugs: Pharmaceutical substances, medical plant materials and dosage forms. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Basic Tests for Drugs: Pharmaceutical Substances, Medical Plant Materials and Dosage Forms. Geneva: World Health Organization, 1998.

MLA (9th ed.) Citation

World Health Organization. Basic Tests for Drugs: Pharmaceutical Substances, Medical Plant Materials and Dosage Forms. World Health Organization, 1998.