Cita APA (7a ed.)

Anderson, T. P., & Andberg, M. M. (1979). Psychosocial factors associated with pressure sores. [s.n.].

Cita Chicago Style (17a ed.)

Anderson, Thomas P., y Marcia M. Andberg. Psychosocial Factors Associated with Pressure Sores. [S.l.]: [s.n.], 1979.

Cita MLA (9a ed.)

Anderson, Thomas P., y Marcia M. Andberg. Psychosocial Factors Associated with Pressure Sores. [s.n.], 1979.