APA (7th ed.) Citation

Teh, P., Ling, H. C., Cheong, S., & Ahmed, P. (2015). Mobile embedded system: Your door key evolved with your smartphone - A user evaluation of a two-factor authentication.

Chicago Style (17th ed.) Citation

Teh, P., Huo Chong Ling, S. Cheong, and P. Ahmed. Mobile Embedded System: Your Door Key Evolved with Your Smartphone - A User Evaluation of a Two-factor Authentication. 2015.

MLA (9th ed.) Citation

Teh, P., et al. Mobile Embedded System: Your Door Key Evolved with Your Smartphone - A User Evaluation of a Two-factor Authentication. 2015.