APA

United States, . (2016). New approaches and innovative technologies to improve water supply: hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fourteenth Congress, second session, April 20, 2016. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2016. New approaches and innovative technologies to improve water supply: hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fourteenth Congress, second session, April 20, 2016. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2016). New approaches and innovative technologies to improve water supply: hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fourteenth Congress, second session, April 20, 2016. Washington: U.S. Government Publishing Office.

MLA

United States, . New approaches and innovative technologies to improve water supply: hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fourteenth Congress, second session, April 20, 2016. Washington: U.S. Government Publishing Office. 2016.