APA

United States, . (2018). Combating the opioid crisis: battles in the states : hearing before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, first session, July 12, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2018. Combating the opioid crisis: battles in the states : hearing before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, first session, July 12, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2018). Combating the opioid crisis: battles in the states : hearing before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, first session, July 12, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . Combating the opioid crisis: battles in the states : hearing before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, first session, July 12, 2017. Washington: U.S. Government Publishing Office. 2018.