Cita APA

Hernández Castro, C. J. (2017). Where do captchas fail: A study in common pitfalls in captcha design and how to avoid them.

Citación estilo Chicago

Hernández Castro, Carlos Javier. Where Do Captchas Fail: A Study in Common Pitfalls in Captcha Design and How to Avoid Them. 2017.

Cita MLA

Hernández Castro, Carlos Javier. Where Do Captchas Fail: A Study in Common Pitfalls in Captcha Design and How to Avoid Them. 2017.