APA Style
Peng, K, L., K., L, E, Y. (2006).
Biology: A Course for 'O' Level (1st edition).
Singapore:
Marshall Cavendish Education.
MLA Style
Peng, Kwan, Lam., K., Lam, Eric, Y..
"Biology: A Course for 'O' Level".
1st edition
Singapore:
Marshall Cavendish Education,
2006.
Reference.