APA (7th ed.) Citation

Yong, H. S. (1990). Orchird Potraits: Wild Orchids Of Malaysia And Southeast Asia. Tropical Press Sdn. Bhd..

Chicago Style (17th ed.) Citation

Yong, Hoi Sen. Orchird Potraits: Wild Orchids Of Malaysia And Southeast Asia. Kuala Lumpur: Tropical Press Sdn. Bhd., 1990.

MLA (9th ed.) Citation

Yong, Hoi Sen. Orchird Potraits: Wild Orchids Of Malaysia And Southeast Asia. Tropical Press Sdn. Bhd., 1990.