APA (7th ed.) Citation

Tey, B. Y. (2011). Life beyond the comfort zone. Tey Bin Yuen.

Chicago Style (17th ed.) Citation

Tey, Bin Yuen. Life Beyond the Comfort Zone. [?]: Tey Bin Yuen, 2011.

MLA (8th ed.) Citation

Tey, Bin Yuen. Life Beyond the Comfort Zone. Tey Bin Yuen, 2011.

Warning: These citations may not always be 100% accurate.