APA

United States, . (2017). The electricity sector's efforts to respond to cybersecurity threats: hearing before the Subcommittee on Energy of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, first session, February 1, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2017. The electricity sector's efforts to respond to cybersecurity threats: hearing before the Subcommittee on Energy of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, first session, February 1, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2017). The electricity sector's efforts to respond to cybersecurity threats: hearing before the Subcommittee on Energy of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, first session, February 1, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . The electricity sector's efforts to respond to cybersecurity threats: hearing before the Subcommittee on Energy of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, first session, February 1, 2017. Washington: U.S. Government Publishing Office. 2017.