Hagnell, O. (1966). A prospective study of the incidence of mental disorder: A study based on 24,000 person years of the incidence of mental disorders in a Swedish population together with an evaluation of the aetiological significance of medical, social, and personality factors. [The Lundby project]. Svenska bokforlaget (Norstedt).
Cita Chicago (17th ed.)Hagnell, Olle. A Prospective Study of the Incidence of Mental Disorder: A Study Based on 24,000 Person Years of the Incidence of Mental Disorders in a Swedish Population Together with an Evaluation of the Aetiological Significance of Medical, Social, and Personality Factors. [The Lundby Project]. Stockholm: Svenska bokforlaget (Norstedt), 1966.
Cita MLA (8th ed.)Hagnell, Olle. A Prospective Study of the Incidence of Mental Disorder: A Study Based on 24,000 Person Years of the Incidence of Mental Disorders in a Swedish Population Together with an Evaluation of the Aetiological Significance of Medical, Social, and Personality Factors. [The Lundby Project]. Svenska bokforlaget (Norstedt), 1966.