APA (7th ed.) Citation

Van Wyk, B., & Wink, M. (2004). Medicinal plants of the world: An illustrated scientific guide to important medicinal plants and their uses (First edition.). Timber Press.

Chicago Style (17th ed.) Citation

Van Wyk, Ben-Erik, and Michael Wink. Medicinal Plants of the World: An Illustrated Scientific Guide to Important Medicinal Plants and Their Uses. First edition. Portland: Timber Press, 2004.

MLA (9th ed.) Citation

Van Wyk, Ben-Erik, and Michael Wink. Medicinal Plants of the World: An Illustrated Scientific Guide to Important Medicinal Plants and Their Uses. First edition. Timber Press, 2004.