APA Style

Wai, L, T. (2003). My Pals are Here (MPH) Science Higher Order Thinking Skills 4B (1st edition). Singapore: Marshall Cavendish Education.

MLA Style

Wai, Lan, Teo-Gwan. "My Pals are Here (MPH) Science Higher Order Thinking Skills 4B". 1st edition Singapore: Marshall Cavendish Education, 2003. Textbook.