Cita APA (7a ed.)

Skoog, I. (1993). The prevalence of psychotic, depressive and anxiety syndromes in demented and non-demented 85-year-olds. [s.n.].

Cita Chicago Style (17a ed.)

Skoog, Ingmar. The Prevalence of Psychotic, Depressive and Anxiety Syndromes in Demented and Non-demented 85-year-olds. [S.l.]: [s.n.], 1993.

Cita MLA (9a ed.)

Skoog, Ingmar. The Prevalence of Psychotic, Depressive and Anxiety Syndromes in Demented and Non-demented 85-year-olds. [s.n.], 1993.

Precaución: Estas citas no son 100% exactas.