APA Style

Sze, O, Y. (2009). Earth our home Workbook 1 Normal Academic (Teacher's Edition) 2nd Edition (2nd edition). Singapore: Marshall Cavendish Education.

MLA Style

Sze, Onn, Yee. "Earth our home Workbook 1 Normal Academic (Teacher's Edition) 2nd Edition". 2nd edition Singapore: Marshall Cavendish Education, 2009. Reference.