APA

United States, . (2018). Strains on the European Union: implications for American foreign policy : hearing before the Committee on Foreign Relations, United States Senate, One Hundred Fourteenth Congress, second session, February 3, 2016. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2018. Strains on the European Union: implications for American foreign policy : hearing before the Committee on Foreign Relations, United States Senate, One Hundred Fourteenth Congress, second session, February 3, 2016. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2018). Strains on the European Union: implications for American foreign policy : hearing before the Committee on Foreign Relations, United States Senate, One Hundred Fourteenth Congress, second session, February 3, 2016. Washington: U.S. Government Publishing Office.

MLA

United States, . Strains on the European Union: implications for American foreign policy : hearing before the Committee on Foreign Relations, United States Senate, One Hundred Fourteenth Congress, second session, February 3, 2016. Washington: U.S. Government Publishing Office. 2018.