APA

United States, . (2019). Advanced cyber technologies that could be used to help protect electric grids and other energy infrastructure from cyberattacks: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, October 26, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. Advanced cyber technologies that could be used to help protect electric grids and other energy infrastructure from cyberattacks: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, October 26, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). Advanced cyber technologies that could be used to help protect electric grids and other energy infrastructure from cyberattacks: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, October 26, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . Advanced cyber technologies that could be used to help protect electric grids and other energy infrastructure from cyberattacks: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, October 26, 2017. Washington: U.S. Government Publishing Office. 2019.