APA Style

Heyworth, R, M., Briggs, J, G, R. (2007). Science In Focus Chemistry 'N' Level 2nd Edition Theory Workbook: Teacher's Edition . Singapore: Pearson Education.

MLA Style

Heyworth, Rex, M., Briggs, J, G, R. "Science In Focus Chemistry 'N' Level 2nd Edition Theory Workbook: Teacher's Edition". Singapore: Pearson Education, 2007. Text.