APA-viite (7. p.)

Freeman, D., Stahl, D., McManus, S., Meltzer, H., Brugha, T., Wiles, N., & Bebbington, P. (2012). Insomnia, worry, anxiety and depression as predictors of the occurrence and persistence of paranoid thinking.

Chicago-viite (17. p.)

Freeman, D., D. Stahl, S. McManus, H. Meltzer, T. Brugha, N. Wiles, ja P. Bebbington. Insomnia, Worry, Anxiety and Depression as Predictors of the Occurrence and Persistence of Paranoid Thinking. 2012.

MLA-viite (9. p.)

Freeman, D., et al. Insomnia, Worry, Anxiety and Depression as Predictors of the Occurrence and Persistence of Paranoid Thinking. 2012.