APA (7th ed.) Citation
Koh, K. M., & Tay, E. G. (2002). Counting. World Scientific.
Chicago Style (17th ed.) Citation
Koh, K. M., and Eng Guan Tay. Counting. River Edge, NJ: World Scientific, 2002.
MLA (9th ed.) Citation
Koh, K. M., and Eng Guan Tay. Counting. World Scientific, 2002.
Warning: These citations may not always be 100% accurate.