Cita APA (7a ed.)

Beech, H. (1974). Obsessional states. Methuen & Co.

Cita Chicago Style (17a ed.)

Beech, H.R. Obsessional States. London: Methuen & Co, 1974.

Cita MLA (9a ed.)

Beech, H.R. Obsessional States. Methuen & Co, 1974.