APA
United States, . (2018). An Act to Improve the Ability of U.S. Customs and Border Protection to Interdict Fentanyl, Other Synthetic Opioids, and Other Narcotics and Psychoactive Substances that are Legally Imported into the United States, and for Other Purposes. [Washington, D.C.]: [U.S. Government Publishing Office].
Chicago
United States, . 2018. An Act to Improve the Ability of U.S. Customs and Border Protection to Interdict Fentanyl, Other Synthetic Opioids, and Other Narcotics and Psychoactive Substances that are Legally Imported into the United States, and for Other Purposes. [Washington, D.C.]: [U.S. Government Publishing Office].
Harvard
United States, . (2018). An Act to Improve the Ability of U.S. Customs and Border Protection to Interdict Fentanyl, Other Synthetic Opioids, and Other Narcotics and Psychoactive Substances that are Legally Imported into the United States, and for Other Purposes. [Washington, D.C.]: [U.S. Government Publishing Office].
MLA
United States, . An Act to Improve the Ability of U.S. Customs and Border Protection to Interdict Fentanyl, Other Synthetic Opioids, and Other Narcotics and Psychoactive Substances that are Legally Imported into the United States, and for Other Purposes. [Washington, D.C.]: [U.S. Government Publishing Office]. 2018.