Cita APA (7a ed.)

Berg, D. F., & Broecker, L. P. (1972). Illicit use of dangerous drugs in the United States. U.S. Dept. of Justice, Bureau of Narcotics and Dangerous Drugs.

Cita Chicago Style (17a ed.)

Berg, Dorothy F., y Linell P. Broecker. Illicit Use of Dangerous Drugs in the United States. [Washington, D.C.]: U.S. Dept. of Justice, Bureau of Narcotics and Dangerous Drugs, 1972.

Cita MLA (9a ed.)

Berg, Dorothy F., y Linell P. Broecker. Illicit Use of Dangerous Drugs in the United States. U.S. Dept. of Justice, Bureau of Narcotics and Dangerous Drugs, 1972.