APA

United States, . (2019). The energy efficiency of blockchain and similar technologies and the cybersecurity possibilities of such technologies for energy industry applications: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, second session, August 21, 2018. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. The energy efficiency of blockchain and similar technologies and the cybersecurity possibilities of such technologies for energy industry applications: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, second session, August 21, 2018. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). The energy efficiency of blockchain and similar technologies and the cybersecurity possibilities of such technologies for energy industry applications: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, second session, August 21, 2018. Washington: U.S. Government Publishing Office.

MLA

United States, . The energy efficiency of blockchain and similar technologies and the cybersecurity possibilities of such technologies for energy industry applications: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, second session, August 21, 2018. Washington: U.S. Government Publishing Office. 2019.