Cite
A survey of CAPTCHA technologies to distinguish between human and computer
MLA
Lei Liu, et al. “A Survey of CAPTCHA Technologies to Distinguish between Human and Computer.” Neurocomputing, vol. 408, Sept. 2020, pp. 292–307. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsair&AN=edsair.doi...........4512177633beb201827f0ce839772f2c&authtype=sso&custid=ns315887.
APA
Lei Liu, Bo Li, & Xin Xu. (2020). A survey of CAPTCHA technologies to distinguish between human and computer. Neurocomputing, 408, 292–307.
Chicago
Lei Liu, Bo Li, and Xin Xu. 2020. “A Survey of CAPTCHA Technologies to Distinguish between Human and Computer.” Neurocomputing 408 (September): 292–307. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsair&AN=edsair.doi...........4512177633beb201827f0ce839772f2c&authtype=sso&custid=ns315887.