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

MLA (8th ed.) Citation

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