APA Style
Siew, L, K. et al (2004).
My Pals Are Here (MPH) Science 6B EM1/2 (1st edition).
Singapore:
Time Media Private.
MLA Style
Siew, Luan, Koh. et al.
"My Pals Are Here (MPH) Science 6B EM1/2".
1st edition
Singapore:
Time Media Private,
2004.
Textbook.