APA (7th ed.) Citation

Sim, Chang, & Pua. (2012). Additional Mathematics: SPM 4.5. Sasbadi.

Chicago Style (17th ed.) Citation

Sim, Chang, and Pua. Additional Mathematics: SPM 4.5. Petaling Jaya: Sasbadi, 2012.

MLA (8th ed.) Citation

Sim, et al. Additional Mathematics: SPM 4.5. Sasbadi, 2012.