APA

United States, . (2019). Adapting to defend the homeland against the evolving international terrorist threat: hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, first session, December 6, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. Adapting to defend the homeland against the evolving international terrorist threat: hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, first session, December 6, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). Adapting to defend the homeland against the evolving international terrorist threat: hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, first session, December 6, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . Adapting to defend the homeland against the evolving international terrorist threat: hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, first session, December 6, 2017. Washington: U.S. Government Publishing Office. 2019.