APA

Eckerman W. C., United States, . (1971). Drug usage and arrest charges: a study of drug usage and arrest charges among arrestees in six metropolitan areas of the United States. Washington: Drug Control Division, U.S. Bureau of Narcotics and Dangerous Drugs.

Chicago

Eckerman William C, United States, . 1971. Drug usage and arrest charges: a study of drug usage and arrest charges among arrestees in six metropolitan areas of the United States. Washington: Drug Control Division, U.S. Bureau of Narcotics and Dangerous Drugs.

Harvard

Eckerman W. C., United States, . (1971). Drug usage and arrest charges: a study of drug usage and arrest charges among arrestees in six metropolitan areas of the United States. Washington: Drug Control Division, U.S. Bureau of Narcotics and Dangerous Drugs.

MLA

Eckerman William C, United States, . Drug usage and arrest charges: a study of drug usage and arrest charges among arrestees in six metropolitan areas of the United States. Washington: Drug Control Division, U.S. Bureau of Narcotics and Dangerous Drugs. 1971.