APA Style

Kwan, L, P. et al (2013). Biology Matters GCE 'O' Level 2nd Edition Workbook (2). Singapore: Marshall Cavendish Education.

MLA Style

Kwan, Lam, Peng. et al. "Biology Matters GCE 'O' Level 2nd Edition Workbook". 2 Singapore: Marshall Cavendish Education, 2013. Text.