APA (7th ed.) Citation

Espie, C. A. Insomnia: Conceptual issues in the development, persistence, and treatment of sleep disorder. [article].

Chicago Style (17th ed.) Citation

Espie, Colin A. Insomnia: Conceptual Issues in the Development, Persistence, and Treatment of Sleep Disorder. [article]. v.53 /p.215-43 2002.

MLA (9th ed.) Citation

Espie, Colin A. Insomnia: Conceptual Issues in the Development, Persistence, and Treatment of Sleep Disorder. [article].

Warning: These citations may not always be 100% accurate.