Cita APA (7a ed.)

Holmén, K., Ericsson, K., & Winblad, B. (2000). Social and emotional loneliness among non-demented and demented elderly people. [s.n.].

Cita Chicago Style (17a ed.)

Holmén, Karin, Kjerstin Ericsson, y Bengt Winblad. Social and Emotional Loneliness Among Non-demented and Demented Elderly People. [S.l.]: [s.n.], 2000.

Cita MLA (9a ed.)

Holmén, Karin, et al. Social and Emotional Loneliness Among Non-demented and Demented Elderly People. [s.n.], 2000.