APA (7th ed.) Citation

Wolrd Health Organization & World Health Organization. (2007). WHO monographs on selected medicinal plants. World Health Organization.

Chicago Style (17th ed.) Citation

Wolrd Health Organization and World Health Organization. WHO Monographs on Selected Medicinal Plants. Geneva: World Health Organization, 2007.

MLA (8th ed.) Citation

Wolrd Health Organization and World Health Organization. WHO Monographs on Selected Medicinal Plants. World Health Organization, 2007.