Cita APA (7a ed.)

Shewan, D., Gemmell, M., & Davies, J. B. (1994). Drug use and Scottish prisons. Scottish Prison Service occasional papers.

Cita Chicago Style (17a ed.)

Shewan, David, Martin Gemmell, y John Booth Davies. "Drug Use and Scottish Prisons." Scottish Prison Service Occasional Papers 1994.

Cita MLA (8a ed.)

Shewan, David, et al. "Drug Use and Scottish Prisons." Scottish Prison Service Occasional Papers, 1994.