APA (7th ed.) Citation

Koh, K. M., & Tay, E. G. (2002). Counting. World Scientific.

Chicago Style (17th ed.) Citation

Koh, Khee Meng, and Eng Guan Tay. Counting. River Edge, N.J: World Scientific, 2002.

MLA (9th ed.) Citation

Koh, Khee Meng, and Eng Guan Tay. Counting. World Scientific, 2002.