APA Style

Peng, K, L., K, L, E, Y. (2014). Biology Matters GCE "O" Level 2nd Edition (2nd edition). Singapore: Marshall Cavendish Education.

MLA Style

Peng, Kwan, Lam., K, Lam, Eric, Y. "Biology Matters GCE "O" Level 2nd Edition". 2nd edition Singapore: Marshall Cavendish Education, 2014. Textbook.