Cita APA (7a ed.)

Wittchen, H. (1992). Lifetime and six-month prevalence of mental disorders in the Munich follow-up study. [s.n.].

Cita Chicago Style (17a ed.)

Wittchen, Hans-Ulrich. Lifetime and Six-month Prevalence of Mental Disorders in the Munich Follow-up Study. [S.l.]: [s.n.], 1992.

Cita MLA (9a ed.)

Wittchen, Hans-Ulrich. Lifetime and Six-month Prevalence of Mental Disorders in the Munich Follow-up Study. [s.n.], 1992.