United States. Congress. House. Committee on Homeland Security. (2011). The evolving nature of terrorism: Nine years after the 9/11 attacks : hearing before the Committee on Homeland Security, House of Representatives, One Hundred Eleventh Congress, second session, September 15, 2010. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. The Evolving Nature of Terrorism: Nine Years After the 9/11 Attacks : Hearing Before the Committee On Homeland Security, House of Representatives, One Hundred Eleventh Congress, Second Session, September 15, 2010. Washington: U.S. G.P.O., 2011.
MLA (8th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. The Evolving Nature of Terrorism: Nine Years After the 9/11 Attacks : Hearing Before the Committee On Homeland Security, House of Representatives, One Hundred Eleventh Congress, Second Session, September 15, 2010. U.S. G.P.O., 2011.