APA Style

ANgela, L. et al (2015). Conquer Comprehension Workbook 1 for Primary Levels (teachers@work) (1st edition). Singapore: Singapore Asian Publications.

MLA Style

ANgela, Leu. et al. "Conquer Comprehension Workbook 1 for Primary Levels (teachers@work)". 1st edition Singapore: Singapore Asian Publications, 2015. Textbook.