APA (7th ed.) Citation

Bryan, L. A. (1998). Drug testing in the workplace. Professional safety, 43(10), 28-32.

Chicago Style (17th ed.) Citation

Bryan, Leslie A. "Drug Testing in the Workplace." Professional Safety 43, no. 10 (1998): 28-32.

MLA (9th ed.) Citation

Bryan, Leslie A. "Drug Testing in the Workplace." Professional Safety, vol. 43, no. 10, 1998, pp. 28-32.