Cita APA (7a ed.)

Beams, J. D. (1999). A longitudinal study of alcohol and drug use in the workplace.

Cita Chicago Style (17a ed.)

Beams, Joseph D. A Longitudinal Study of Alcohol and Drug Use in the Workplace. 1999.

Cita MLA (8a ed.)

Beams, Joseph D. A Longitudinal Study of Alcohol and Drug Use in the Workplace. 1999.