MLA

Berrios, G. E, and Roy Porter. A History of Clinical Psychiatry : the Origin and History of Psychiatric Disorders. London: Athlone, 1995.

APA

Berrios, G. E, & Porter, R. (1995). A history of clinical psychiatry : the origin and history of psychiatric disorders. London: Athlone.

Chicago

Berrios, G. E. ed., and Roy Porter ed. A History of Clinical Psychiatry: The Origin and History of Psychiatric Disorders. London: Athlone, 1995.