APA

United States, . (2019). Open hearing: worldwide threat assessment of the U.S. intelligence community : hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Sixteenth Congress, first session, Tuesday, January 29, 2019. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. Open hearing: worldwide threat assessment of the U.S. intelligence community : hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Sixteenth Congress, first session, Tuesday, January 29, 2019. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). Open hearing: worldwide threat assessment of the U.S. intelligence community : hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Sixteenth Congress, first session, Tuesday, January 29, 2019. Washington: U.S. Government Publishing Office.

MLA

United States, . Open hearing: worldwide threat assessment of the U.S. intelligence community : hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Sixteenth Congress, first session, Tuesday, January 29, 2019. Washington: U.S. Government Publishing Office. 2019.