APA (7th ed.) Citation

YONG. (1990). Orchid portraits: Wild orchids of Malaysia and Southeast Asia. Tropical Press Sdn. Bhd.

Chicago Style (17th ed.) Citation

YONG. Orchid Portraits: Wild Orchids of Malaysia and Southeast Asia. Kuala Lumpur: Tropical Press Sdn. Bhd, 1990.

MLA (9th ed.) Citation

YONG. Orchid Portraits: Wild Orchids of Malaysia and Southeast Asia. Tropical Press Sdn. Bhd, 1990.

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