APA (7th ed.) Citation

Andersen Lars B, Steene-Johannessen Jostein, Kolle Elin, & Anderssen Sigmund A. (2009). Seasonal variation in objectively assessed physical activity among children and adolescents in Norway: A cross-sectional study. BMC.

Chicago Style (17th ed.) Citation

Andersen Lars B, Steene-Johannessen Jostein, Kolle Elin, and Anderssen Sigmund A. Seasonal Variation in Objectively Assessed Physical Activity Among Children and Adolescents in Norway: A Cross-sectional Study. BMC, 2009.

MLA (9th ed.) Citation

Andersen Lars B, et al. Seasonal Variation in Objectively Assessed Physical Activity Among Children and Adolescents in Norway: A Cross-sectional Study. BMC, 2009.