APA

United States, . (2019). Fossil energy research: enabling our clean energy future : hearing before the Subcommittee on Energy, Committee on Science, Space, and Technology, House of Representatives, One Hundred Sixteenth Congress, first session, June 19, 2019. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. Fossil energy research: enabling our clean energy future : hearing before the Subcommittee on Energy, Committee on Science, Space, and Technology, House of Representatives, One Hundred Sixteenth Congress, first session, June 19, 2019. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). Fossil energy research: enabling our clean energy future : hearing before the Subcommittee on Energy, Committee on Science, Space, and Technology, House of Representatives, One Hundred Sixteenth Congress, first session, June 19, 2019. Washington: U.S. Government Publishing Office.

MLA

United States, . Fossil energy research: enabling our clean energy future : hearing before the Subcommittee on Energy, Committee on Science, Space, and Technology, House of Representatives, One Hundred Sixteenth Congress, first session, June 19, 2019. Washington: U.S. Government Publishing Office. 2019.