APA (7th ed.) Citation

Campbell, D., & Graham, M. (1988). Drugs and alcohol in the workplace ; a guide for managers / Drusilla Campbell and Marilyn Graham. Facts on file.

Chicago Style (17th ed.) Citation

Campbell, Drusilla, and Marilyn Graham. Drugs and Alcohol in the Workplace ; a Guide for Managers / Drusilla Campbell and Marilyn Graham. New York: Facts on file, 1988.

MLA (9th ed.) Citation

Campbell, Drusilla, and Marilyn Graham. Drugs and Alcohol in the Workplace ; a Guide for Managers / Drusilla Campbell and Marilyn Graham. Facts on file, 1988.

Warning: These citations may not always be 100% accurate.