United States. Congress. House. Committee on Homeland Security. (2009). The Western Hemisphere Travel Initiative: Perspectives of a community on the U.S.-Canada border : full field hearing before the Committee on Homeland Security, House of Representatives, One Hundred Tenth Congress, first session, July 20, 2007. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. The Western Hemisphere Travel Initiative: Perspectives of a Community on the U.S.-Canada Border : Full Field Hearing Before the Committee on Homeland Security, House of Representatives, One Hundred Tenth Congress, First Session, July 20, 2007. Washington: U.S. G.P.O., 2009.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. The Western Hemisphere Travel Initiative: Perspectives of a Community on the U.S.-Canada Border : Full Field Hearing Before the Committee on Homeland Security, House of Representatives, One Hundred Tenth Congress, First Session, July 20, 2007. U.S. G.P.O., 2009.