APA (7th ed.) Citation

De Bernardo, M. A. (1987). Drug abuse in the workplace: An employer's guide for prevention. U.S. Chamber of Commerce.

Chicago Style (17th ed.) Citation

De Bernardo, Mark A. Drug Abuse in the Workplace: An Employer's Guide for Prevention. Washington, D.C.: U.S. Chamber of Commerce, 1987.

MLA (8th ed.) Citation

De Bernardo, Mark A. Drug Abuse in the Workplace: An Employer's Guide for Prevention. U.S. Chamber of Commerce, 1987.