Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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