APA (7th ed.) Citation

Magnusson Kristjan, Sigurgeirsson Ingvar, Sveinsson Thorarinn, & Johannsson Erlingur. (2011). Assessment of a two-year school-based physical activity intervention among 7-9-year-old children. BMC.

Chicago Style (17th ed.) Citation

Magnusson Kristjan, Sigurgeirsson Ingvar, Sveinsson Thorarinn, and Johannsson Erlingur. Assessment of a Two-year School-based Physical Activity Intervention Among 7-9-year-old Children. BMC, 2011.

MLA (9th ed.) Citation

Magnusson Kristjan, et al. Assessment of a Two-year School-based Physical Activity Intervention Among 7-9-year-old Children. BMC, 2011.

Warning: These citations may not always be 100% accurate.