APA (7th ed.) Citation

Wang, L., Chang, X., Ren, Z., Haichang, G., Liu, X., & Aickelin, U. (2010). Against spyware using CAPTCHA in graphical password scheme. IEEE.

Chicago Style (17th ed.) Citation

Wang, Liming, Xiuling Chang, Zhongjie Ren, Gao Haichang, Xiyang Liu, and Uwe Aickelin. Against Spyware Using CAPTCHA in Graphical Password Scheme. IEEE, 2010.

MLA (9th ed.) Citation

Wang, Liming, et al. Against Spyware Using CAPTCHA in Graphical Password Scheme. IEEE, 2010.