APA Style

Teo, G, W, L., Sie, H, K. (2004). My Pals are Here (MPH) Science Higher Order Thinking Skills 4A (1st edition). Singapore: Marshall Cavendish Education.

MLA Style

Teo, Gwan, Wai, Lan., Sie, Hwa, Kwa. "My Pals are Here (MPH) Science Higher Order Thinking Skills 4A". 1st edition Singapore: Marshall Cavendish Education, 2004. Textbook.