APA

United States, . (2019). Examining drug-impaired driving: hearing before the Subcommittee on Digital Commerce and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, second session, July 11, 2018. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. Examining drug-impaired driving: hearing before the Subcommittee on Digital Commerce and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, second session, July 11, 2018. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). Examining drug-impaired driving: hearing before the Subcommittee on Digital Commerce and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, second session, July 11, 2018. Washington: U.S. Government Publishing Office.

MLA

United States, . Examining drug-impaired driving: hearing before the Subcommittee on Digital Commerce and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, second session, July 11, 2018. Washington: U.S. Government Publishing Office. 2019.