United States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security. (2012). Securing air commerce from the threat of terrorism: Hearing before the Subcommittee on Transportation Security of the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, first session, March 9, 2011. ProQuest.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security. Securing Air Commerce from the Threat of Terrorism: Hearing Before the Subcommittee on Transportation Security of the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, First Session, March 9, 2011. Bethesda, Md.: ProQuest, 2012.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security. Securing Air Commerce from the Threat of Terrorism: Hearing Before the Subcommittee on Transportation Security of the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, First Session, March 9, 2011. ProQuest, 2012.