APA

United States, . (2018). Boris Nemtsov, 1959-2015: seeking justice, securing his legacy : hearing before the Commission on Security and Cooperation in Europe, One Hundred Fifteenth Congress, second session, February 28, 2018. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2018. Boris Nemtsov, 1959-2015: seeking justice, securing his legacy : hearing before the Commission on Security and Cooperation in Europe, One Hundred Fifteenth Congress, second session, February 28, 2018. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2018). Boris Nemtsov, 1959-2015: seeking justice, securing his legacy : hearing before the Commission on Security and Cooperation in Europe, One Hundred Fifteenth Congress, second session, February 28, 2018. Washington: U.S. Government Publishing Office.

MLA

United States, . Boris Nemtsov, 1959-2015: seeking justice, securing his legacy : hearing before the Commission on Security and Cooperation in Europe, One Hundred Fifteenth Congress, second session, February 28, 2018. Washington: U.S. Government Publishing Office. 2018.