APA (7th ed.) Citation

Mahdin, H., Azmi, M. S., Kasim, S., & Ridzuan, F. R. (2019). An Image-Based Captcha System Using Click. Zibeline International.

Chicago Style (17th ed.) Citation

Mahdin, Hairulnizam, Mohd Sanusi Azmi, Shahreen Kasim, and Farah Ruzanna Ridzuan. An Image-Based Captcha System Using Click. Zibeline International, 2019.

MLA (9th ed.) Citation

Mahdin, Hairulnizam, et al. An Image-Based Captcha System Using Click. Zibeline International, 2019.