APA

United States, . (1992). Controlled Substances Act: as amended to July 1, 1991. [Washington, D.C.?]: U.S. Dept. of Justice, Drug Enforcement Administration.

Chicago

United States, . 1992. Controlled Substances Act: as amended to July 1, 1991. [Washington, D.C.?]: U.S. Dept. of Justice, Drug Enforcement Administration.

Harvard

United States, . (1992). Controlled Substances Act: as amended to July 1, 1991. [Washington, D.C.?]: U.S. Dept. of Justice, Drug Enforcement Administration.

MLA

United States, . Controlled Substances Act: as amended to July 1, 1991. [Washington, D.C.?]: U.S. Dept. of Justice, Drug Enforcement Administration. 1992.