APA (7th ed.) Citation

Koh, H. L., Chua, T. K., & Tan, C. H. (2009). A guide to medicinal plants: An illustrated, scientific and medicinal approach. World Scientific Pub..

Chicago Style (17th ed.) Citation

Koh, Hwee Ling, Tung Kian Chua, and Chay Hoon Tan. A Guide to Medicinal Plants: An Illustrated, Scientific and Medicinal Approach. Singapore: World Scientific Pub., 2009.

MLA (9th ed.) Citation

Koh, Hwee Ling, et al. A Guide to Medicinal Plants: An Illustrated, Scientific and Medicinal Approach. World Scientific Pub., 2009.