APA

United States, . (2017). Current terrorist threat to the United States: hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Fourteenth Congress, first session, Thursday, February 12, 2015. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2017. Current terrorist threat to the United States: hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Fourteenth Congress, first session, Thursday, February 12, 2015. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2017). Current terrorist threat to the United States: hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Fourteenth Congress, first session, Thursday, February 12, 2015. Washington: U.S. Government Publishing Office.

MLA

United States, . Current terrorist threat to the United States: hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Fourteenth Congress, first session, Thursday, February 12, 2015. Washington: U.S. Government Publishing Office. 2017.