APA (7th ed.) Citation

ScienceDirect (Online service), Chokroverty, S., & Thomas, R. J. (2013). Atlas of sleep medicine (Second edition.). Elsevier/Saunders.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Sudhansu Chokroverty, and Robert J. Thomas. Atlas of Sleep Medicine. Second edition. Philadelphia, PA: Elsevier/Saunders, 2013.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Atlas of Sleep Medicine. Second edition. Elsevier/Saunders, 2013.