APA-viite (7. p.)

Peplau, L. A., & Perlman, D. (1982). Loneliness: A sourcebook of current theory, research, and therapy. Wiley.

Chicago-viite (17. p.)

Peplau, Letitia Anne, ja Daniel Perlman. Loneliness: A Sourcebook of Current Theory, Research, and Therapy. New York: Wiley, 1982.

MLA-viite (9. p.)

Peplau, Letitia Anne, ja Daniel Perlman. Loneliness: A Sourcebook of Current Theory, Research, and Therapy. Wiley, 1982.