APA

United States, . (2017). Economic aspects of the opioid crisis: hearing before the Joint Economic Committee, Congress of the United States, One Hundred Fifteenth Congress, first session, June 8, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2017. Economic aspects of the opioid crisis: hearing before the Joint Economic Committee, Congress of the United States, One Hundred Fifteenth Congress, first session, June 8, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2017). Economic aspects of the opioid crisis: hearing before the Joint Economic Committee, Congress of the United States, One Hundred Fifteenth Congress, first session, June 8, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . Economic aspects of the opioid crisis: hearing before the Joint Economic Committee, Congress of the United States, One Hundred Fifteenth Congress, first session, June 8, 2017. Washington: U.S. Government Publishing Office. 2017.