Cita APA (7a ed.)

Beech, H. R. (1974). Obsessional states. Methuen.

Cita Chicago Style (17a ed.)

Beech, Harold Reginald. Obsessional States. London: Methuen, 1974.

Cita MLA (9a ed.)

Beech, Harold Reginald. Obsessional States. Methuen, 1974.