APA (7th ed.) Citation

Yong Hoi Sen. (1983). Malaysian Butterflies-an intructionb. Tropical Sdn. Bhd..

Chicago Style (17th ed.) Citation

Yong Hoi Sen. Malaysian Butterflies-an Intructionb. Kuala Lumpur: Tropical Sdn. Bhd., 1983.

MLA (9th ed.) Citation

Yong Hoi Sen. Malaysian Butterflies-an Intructionb. Tropical Sdn. Bhd., 1983.

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