MLA

Leigh, Denis. The Historical Development of British Psychiatry : 18th and 19th Century. Oxford: Pergamon press, 1961.

APA

Leigh, D. (1961). The historical development of British psychiatry : 18th and 19th Century. Oxford: Pergamon press.

Chicago

Leigh, Denis, The Historical Development of British Psychiatry: 18th and 19th Century. Oxford: Pergamon press, 1961.