APA

United States, . (2019). Air quality impacts of wildfires: mitigation and management strategies : hearing before the Subcommittee on Environment of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, second session, September 13, 2018. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. Air quality impacts of wildfires: mitigation and management strategies : hearing before the Subcommittee on Environment of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, second session, September 13, 2018. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). Air quality impacts of wildfires: mitigation and management strategies : hearing before the Subcommittee on Environment of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, second session, September 13, 2018. Washington: U.S. Government Publishing Office.

MLA

United States, . Air quality impacts of wildfires: mitigation and management strategies : hearing before the Subcommittee on Environment of the Committee on Energy and Commerce, House of Representatives, One Hundred Fifteenth Congress, second session, September 13, 2018. Washington: U.S. Government Publishing Office. 2019.