APA

United States, . (2011). Enabling distributed security in cyberspace: building a healthy and resilient cyber ecosystem with automated collective action. [Washington, D.C.]: [U.S. Department of Homeland Security].

Chicago

United States, . 2011. Enabling distributed security in cyberspace: building a healthy and resilient cyber ecosystem with automated collective action. [Washington, D.C.]: [U.S. Department of Homeland Security].

Harvard

United States, . (2011). Enabling distributed security in cyberspace: building a healthy and resilient cyber ecosystem with automated collective action. [Washington, D.C.]: [U.S. Department of Homeland Security].

MLA

United States, . Enabling distributed security in cyberspace: building a healthy and resilient cyber ecosystem with automated collective action. [Washington, D.C.]: [U.S. Department of Homeland Security]. 2011.