Chen, B., & Roscoe, B. (2012). Using human interactive security protocols to secure payments.
芝加哥风格引文Chen, B., 与 B. Roscoe. Using Human Interactive Security Protocols to Secure Payments. 2012.
MLA引文Chen, B., 与 B. Roscoe. Using Human Interactive Security Protocols to Secure Payments. 2012.
警告：这些引文格式不一定是100％准确.