United States. Congress. Senate. Committee on Commerce, Science, and Transportation. (2011). Online child pornography: Hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, second session, September 19, 2006. ProQuest.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Online Child Pornography: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, Second Session, September 19, 2006. Bethesda, Md.: ProQuest, 2011.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Online Child Pornography: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, Second Session, September 19, 2006. ProQuest, 2011.