Citazione Stile APA (7a Edizione)

Van Wyk, B., & Wink, M. (2004). Medicinal plants of the world: An illustrated scientific guide to important medicinal plants and their uses (1st edition.). Timber Press.

Citazione stile Chigago Style (17a edizione)

Van Wyk, Ben-Erik, e Michael Wink. Medicinal Plants of the World: An Illustrated Scientific Guide to Important Medicinal Plants and Their Uses. 1st edition. Portland: Timber Press, 2004.

Citatione MLA (9a ed.)

Van Wyk, Ben-Erik, e Michael Wink. Medicinal Plants of the World: An Illustrated Scientific Guide to Important Medicinal Plants and Their Uses. 1st edition. Timber Press, 2004.