APA (7th ed.) Citation

Hew, C. S., & Yong, J. W. H. (1997). The physiology of tropical orchids in relation to the industry. World Scientific.

Chicago Style (17th ed.) Citation

Hew, Choy Sin, and J. W. H. Yong. The Physiology of Tropical Orchids in Relation to the Industry. Singapore ; River Edge, N.J.: World Scientific, 1997.

MLA (9th ed.) Citation

Hew, Choy Sin, and J. W. H. Yong. The Physiology of Tropical Orchids in Relation to the Industry. World Scientific, 1997.