Cita APA (7a ed.)

Leymann, H., & Gustafsson, A. (1996). Mobbing at work and the development of post-traumatic stress disorders. [s.n.].

Cita Chicago Style (17a ed.)

Leymann, Heinz, y Annelie Gustafsson. Mobbing at Work and the Development of Post-traumatic Stress Disorders. [S.l.]: [s.n.], 1996.

Cita MLA (9a ed.)

Leymann, Heinz, y Annelie Gustafsson. Mobbing at Work and the Development of Post-traumatic Stress Disorders. [s.n.], 1996.