APA

United States, . (2017). Current and projected national security threats to the United States: hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Fourteenth Congress, second session, Tuesday, February 9, 2016. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2017. Current and projected national security threats to the United States: hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Fourteenth Congress, second session, Tuesday, February 9, 2016. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2017). Current and projected national security threats to the United States: hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Fourteenth Congress, second session, Tuesday, February 9, 2016. Washington: U.S. Government Publishing Office.

MLA

United States, . Current and projected national security threats to the United States: hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Fourteenth Congress, second session, Tuesday, February 9, 2016. Washington: U.S. Government Publishing Office. 2017.