APA (7th ed.) Citation

ML, B., AD, O., T, C., A, B., Booth, M. L., Okely, A. D., . . . Bauman, A. (2001). The reliability and validity of the physical activity questions in the WHO health behaviour in schoolchildren (HBSC) survey: A population study. British Journal of Sports Medicine, 35(4), 263. https://doi.org/10.1136/bjsm.35.4.263

Chicago Style (17th ed.) Citation

ML, Booth, Okely AD, Chey T, Bauman A, M L. Booth, A D. Okely, T. Chey, and A. Bauman. "The Reliability and Validity of the Physical Activity Questions in the WHO Health Behaviour in Schoolchildren (HBSC) Survey: A Population Study." British Journal of Sports Medicine 35, no. 4 (2001): 263. https://doi.org/10.1136/bjsm.35.4.263.

MLA (9th ed.) Citation

ML, Booth, et al. "The Reliability and Validity of the Physical Activity Questions in the WHO Health Behaviour in Schoolchildren (HBSC) Survey: A Population Study." British Journal of Sports Medicine, vol. 35, no. 4, 2001, p. 263, https://doi.org/10.1136/bjsm.35.4.263.