APA (7th ed.) Citation

Hoffmann, J. P. (1996). Drug use among U.S. workers: Prevalence and trends by occupation and industry categories. U.S. Dept. of Health and Human Services, Public Health Service, Substance Abuse and Mental Health Services Administration, Office of Applied Studies.

Chicago Style (17th ed.) Citation

Hoffmann, John P. Drug Use Among U.S. Workers: Prevalence and Trends by Occupation and Industry Categories. Rockville, Md.: U.S. Dept. of Health and Human Services, Public Health Service, Substance Abuse and Mental Health Services Administration, Office of Applied Studies, 1996.

MLA (9th ed.) Citation

Hoffmann, John P. Drug Use Among U.S. Workers: Prevalence and Trends by Occupation and Industry Categories. U.S. Dept. of Health and Human Services, Public Health Service, Substance Abuse and Mental Health Services Administration, Office of Applied Studies, 1996.