APA (7th ed.) Citation

Nanglae, N., & Bhattarakosol, P. ProCAPTCHA: A profile-based CAPTCHA for personal password authentication. Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Nanglae, Nilobon, and Pattarasinee Bhattarakosol. ProCAPTCHA: A Profile-based CAPTCHA for Personal Password Authentication. Public Library of Science (PLoS).

MLA (9th ed.) Citation

Nanglae, Nilobon, and Pattarasinee Bhattarakosol. ProCAPTCHA: A Profile-based CAPTCHA for Personal Password Authentication. Public Library of Science (PLoS).

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