APA (7th ed.) Citation

ScienceDirect (Online service), Sheldon, S. H., Ferber, R., & Kryger, M. H. (2005). Principles and practice of pediatric sleep medicine. Saunders.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Stephen H. Sheldon, Richard Ferber, and Meir H. Kryger. Principles and Practice of Pediatric Sleep Medicine. Philadelphia: Saunders, 2005.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Principles and Practice of Pediatric Sleep Medicine. Saunders, 2005.