Controlled Substances Act :
as amended to July 1, 1991 : also includes chapter 53 of Title 31, United States Code, relating to money and finance.
APA Citation
United States., United States. Drug Enforcement Administration. Office of Chief Counsel. (1991). Controlled Substances Act: as amended to July 1, 1991 : also includes chapter 53 of Title 31, United States Code, relating to money and finance. Washington, D.C.: U.S. Dept. of Justice, Drug Enforcement Administration, Office of Chief Counsel.
MLA Citation
United States, and United States. Drug Enforcement Administration. Office of Chief Counsel. Controlled Substances Act: As Amended to July 1, 1991 : Also Includes Chapter 53 of Title 31, United States Code, Relating to Money And Finance. Washington, D.C.: U.S. Dept. of Justice, Drug Enforcement Administration, Office of Chief Counsel, 1991.
Warning: These citations may not always be complete (especially for serials).