Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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