APA

United States, . (2001). Review of the final report of the 21st Century Commission on Production Agriculture: hearing before the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundred Seventh Congress, first session, January 30, 2001. Washington: U.S. Government Printing Office.

Chicago

United States, . 2001. Review of the final report of the 21st Century Commission on Production Agriculture: hearing before the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundred Seventh Congress, first session, January 30, 2001. Washington: U.S. Government Printing Office.

Harvard

United States, . (2001). Review of the final report of the 21st Century Commission on Production Agriculture: hearing before the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundred Seventh Congress, first session, January 30, 2001. Washington: U.S. Government Printing Office.

MLA

United States, . Review of the final report of the 21st Century Commission on Production Agriculture: hearing before the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundred Seventh Congress, first session, January 30, 2001. Washington: U.S. Government Printing Office. 2001.