APA

United States, . (2020). An update on American diplomacy to advance our national security strategy: hearing before the Committee on Foreign Relations, United States Senate, One Hundred Fifteenth Congress, second session, July 25, 2018. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2020. An update on American diplomacy to advance our national security strategy: hearing before the Committee on Foreign Relations, United States Senate, One Hundred Fifteenth Congress, second session, July 25, 2018. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2020). An update on American diplomacy to advance our national security strategy: hearing before the Committee on Foreign Relations, United States Senate, One Hundred Fifteenth Congress, second session, July 25, 2018. Washington: U.S. Government Publishing Office.

MLA

United States, . An update on American diplomacy to advance our national security strategy: hearing before the Committee on Foreign Relations, United States Senate, One Hundred Fifteenth Congress, second session, July 25, 2018. Washington: U.S. Government Publishing Office. 2020.