Citazione APA

Wyk, B. E. v., & Wink, M. (2004). Medicinal plants of the world. Times Editions.

Stile di citazione Chicago

Wyk, Ben- Eric van, e Michael Wink. Medicinal Plants of the World. Singapore: Times Editions, 2004.

Citazione MLA

Wyk, Ben- Eric van, e Michael Wink. Medicinal Plants of the World. Times Editions, 2004.