APA

United States, . (2019). The President's budget request for the U.S. Department of Energy for fiscal year 2019: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, second session, March 20, 2018. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. The President's budget request for the U.S. Department of Energy for fiscal year 2019: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, second session, March 20, 2018. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). The President's budget request for the U.S. Department of Energy for fiscal year 2019: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, second session, March 20, 2018. Washington: U.S. Government Publishing Office.

MLA

United States, . The President's budget request for the U.S. Department of Energy for fiscal year 2019: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, second session, March 20, 2018. Washington: U.S. Government Publishing Office. 2019.