APA

United States, . (2017). The growing Russian military threat in Europe: hearing before the Commission on Security and Cooperation in Europe, One Hundred Fifteenth Congress, first session, May 17, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2017. The growing Russian military threat in Europe: hearing before the Commission on Security and Cooperation in Europe, One Hundred Fifteenth Congress, first session, May 17, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2017). The growing Russian military threat in Europe: hearing before the Commission on Security and Cooperation in Europe, One Hundred Fifteenth Congress, first session, May 17, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . The growing Russian military threat in Europe: hearing before the Commission on Security and Cooperation in Europe, One Hundred Fifteenth Congress, first session, May 17, 2017. Washington: U.S. Government Publishing Office. 2017.