APA (7th ed.) Citation
Izquierdo, R., & et al. (2017). Changes in objectively measured physical activity in adolescents with Down syndrome: The UP&DOWN longitudinal study.
Chicago Style (17th ed.) Citation
Izquierdo, R., and et al. Changes in Objectively Measured Physical Activity in Adolescents with Down Syndrome: The UP&DOWN Longitudinal Study. 2017.
MLA (9th ed.) Citation
Izquierdo, R., and et al. Changes in Objectively Measured Physical Activity in Adolescents with Down Syndrome: The UP&DOWN Longitudinal Study. 2017.
Warning: These citations may not always be 100% accurate.