APA (7th ed.) Citation

Kryger, M. H., Roth, T., & Dement, W. C. (2005). Principles and practice of sleep medicine (4th ed.). Elsevier Saunders.

Chicago Style (17th ed.) Citation

Kryger, Meir H., T. Roth, and William C. Dement. Principles and Practice of Sleep Medicine. 4th ed. Philadelphia: Elsevier Saunders, 2005.

MLA (9th ed.) Citation

Kryger, Meir H., et al. Principles and Practice of Sleep Medicine. 4th ed. Elsevier Saunders, 2005.