APA

United States, . (2015). Europe's refugee crisis: how should the U.S., EU, and OSCE respond? : hearing before the Commission on Security and Cooperation in Europe, One Hundred Fourteenth Congress, first session, October 20, 2015. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2015. Europe's refugee crisis: how should the U.S., EU, and OSCE respond? : hearing before the Commission on Security and Cooperation in Europe, One Hundred Fourteenth Congress, first session, October 20, 2015. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2015). Europe's refugee crisis: how should the U.S., EU, and OSCE respond? : hearing before the Commission on Security and Cooperation in Europe, One Hundred Fourteenth Congress, first session, October 20, 2015. Washington: U.S. Government Publishing Office.

MLA

United States, . Europe's refugee crisis: how should the U.S., EU, and OSCE respond? : hearing before the Commission on Security and Cooperation in Europe, One Hundred Fourteenth Congress, first session, October 20, 2015. Washington: U.S. Government Publishing Office. 2015.