United States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security and Infrastructure Protection. (2009). Update on federal rail and public transportation security efforts: Hearing before the Subcommittee on Transportation Security and Infrastructure Protection of the Committee on Homeland Security, House of Representatives, One Hundred Tenth Congress, first session, February 6, 2007. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security and Infrastructure Protection. Update on Federal Rail and Public Transportation Security Efforts: Hearing Before the Subcommittee on Transportation Security and Infrastructure Protection of the Committee on Homeland Security, House of Representatives, One Hundred Tenth Congress, First Session, February 6, 2007. Washington: U.S. G.P.O., 2009.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security and Infrastructure Protection. Update on Federal Rail and Public Transportation Security Efforts: Hearing Before the Subcommittee on Transportation Security and Infrastructure Protection of the Committee on Homeland Security, House of Representatives, One Hundred Tenth Congress, First Session, February 6, 2007. U.S. G.P.O., 2009.