APA (7th ed.) Citation

Yong, H. (1990). Orchid portraits: Wild orchids of Malaysia and Southeast Asia. Tropical Press SDN. BHD.

Chicago Style (17th ed.) Citation

Yong, Hoi-Sen. Orchid Portraits: Wild Orchids of Malaysia and Southeast Asia. Kuala Lumpur: Tropical Press SDN. BHD, 1990.

MLA (9th ed.) Citation

Yong, Hoi-Sen. Orchid Portraits: Wild Orchids of Malaysia and Southeast Asia. Tropical Press SDN. BHD, 1990.

Warning: These citations may not always be 100% accurate.