APA

United States, . (2018). Stopping the shipment of synthetic opioids: oversight of U.S. strategy to combat illicit drugs : hearing before the Permanent Subcommittee on Investigations of the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, first session, May 25, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2018. Stopping the shipment of synthetic opioids: oversight of U.S. strategy to combat illicit drugs : hearing before the Permanent Subcommittee on Investigations of the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, first session, May 25, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2018). Stopping the shipment of synthetic opioids: oversight of U.S. strategy to combat illicit drugs : hearing before the Permanent Subcommittee on Investigations of the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, first session, May 25, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . Stopping the shipment of synthetic opioids: oversight of U.S. strategy to combat illicit drugs : hearing before the Permanent Subcommittee on Investigations of the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, first session, May 25, 2017. Washington: U.S. Government Publishing Office. 2018.