APA (7th ed.) Citation

RR, P., K, M., M, D., WH, B., & C, A. (2008). Directly observed physical activity levels in preschool children. Journal of School Health, 78(8), 438. https://doi.org/10.1111/j.1746-1561.2008.00327.x

Chicago Style (17th ed.) Citation

RR, Pate, McIver K, Dowda M, Brown WH, and Addy C. "Directly Observed Physical Activity Levels in Preschool Children." Journal of School Health 78, no. 8 (2008): 438. https://doi.org/10.1111/j.1746-1561.2008.00327.x.

MLA (9th ed.) Citation

RR, Pate, et al. "Directly Observed Physical Activity Levels in Preschool Children." Journal of School Health, vol. 78, no. 8, 2008, p. 438, https://doi.org/10.1111/j.1746-1561.2008.00327.x.