Cita APA (7a ed.)

Freeman, H. E., & Alpert, M. (1986). Prevalence of schizophrenia in an urban population. The British journal of psychiatry, 149, .

Cita Chicago Style (17a ed.)

Freeman, Howard E., y Murray Alpert. "Prevalence of Schizophrenia in an Urban Population." The British Journal of Psychiatry 149 (1986).

Cita MLA (8a ed.)

Freeman, Howard E., y Murray Alpert. "Prevalence of Schizophrenia in an Urban Population." The British Journal of Psychiatry, vol. 149, 1986.