APA (7th ed.) Citation

United States. Congress. House. Committee on Homeland Security. (2012). Securing our nation's mass transit systems against a terrorist attack: Hearing before the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, first session, May 4, 2011. ProQuest.

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Homeland Security. Securing Our Nation's Mass Transit Systems Against a Terrorist Attack: Hearing Before the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, First Session, May 4, 2011. Bethesda, Md.: ProQuest, 2012.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Homeland Security. Securing Our Nation's Mass Transit Systems Against a Terrorist Attack: Hearing Before the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, First Session, May 4, 2011. ProQuest, 2012.