APA

United States, . (2018). Innovation in action: microgrids and hybrid energy systems : field hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, June 10, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2018. Innovation in action: microgrids and hybrid energy systems : field hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, June 10, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2018). Innovation in action: microgrids and hybrid energy systems : field hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, June 10, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . Innovation in action: microgrids and hybrid energy systems : field hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, June 10, 2017. Washington: U.S. Government Publishing Office. 2018.