MLA

Langfeldt, Gabriel. The Hypersensitive Mind In Normals, Neurotics, Psychopaths and Psychotics : Prevention and Treatment. Copenhagen: Munksgaard, 1951.

APA

Langfeldt, G. (1951). The hypersensitive mind in normals, neurotics, psychopaths and psychotics : prevention and treatment. Copenhagen: Munksgaard.

Chicago

Langfeldt, Gabriel, The Hypersensitive Mind In Normals, Neurotics, Psychopaths and Psychotics: Prevention and Treatment. Copenhagen: Munksgaard, 1951.