United States. Congress. Senate. Committee on Energy and Natural Resources. (2010). Massive oil spill in the Gulf of Mexico: Hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Eleventh Congress, second session. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. Massive Oil Spill in the Gulf of Mexico: Hearing Before the Committee on Energy and Natural Resources, United States Senate, One Hundred Eleventh Congress, Second Session. Washington: U.S. G.P.O., 2010.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. Massive Oil Spill in the Gulf of Mexico: Hearing Before the Committee on Energy and Natural Resources, United States Senate, One Hundred Eleventh Congress, Second Session. U.S. G.P.O., 2010.