United States. Congress. Senate. Committee on Energy and Natural Resources. (2008). Biofuels impact on food prices: Hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, second session, to receive testimony on the relationship between the United States' renewable fuels policy and food prices, June 12, 2008. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. Biofuels Impact on Food Prices: Hearing Before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, Second Session, to Receive Testimony on the Relationship Between the United States' Renewable Fuels Policy and Food Prices, June 12, 2008. Washington: U.S. G.P.O., 2008.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. Biofuels Impact on Food Prices: Hearing Before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, Second Session, to Receive Testimony on the Relationship Between the United States' Renewable Fuels Policy and Food Prices, June 12, 2008. U.S. G.P.O., 2008.