Stormark Kjell, Elgen Irene, Hysing Mari, Sivertsen Børge, & Lundervold Astri J. (2009). Chronicity of sleep problems in children with chronic illness: A longitudinal population-based study. BMC.
Chicago Style (17th ed.) CitationStormark Kjell, Elgen Irene, Hysing Mari, Sivertsen Børge, and Lundervold Astri J. Chronicity of Sleep Problems in Children with Chronic Illness: A Longitudinal Population-based Study. BMC, 2009.
MLA (9th ed.) CitationStormark Kjell, et al. Chronicity of Sleep Problems in Children with Chronic Illness: A Longitudinal Population-based Study. BMC, 2009.
Warning: These citations may not always be 100% accurate.