Schlichtiger, J, Steffen, J, Huber, B. C. & Brunner, S. (2021). Physical activity during COVID-19 lockdown in older adults. The Journal of Sports Medicine and Physical Fitness, 61 (1), 164-166. doi: 10.23736/S0022-4707.20.11726-2
APA (7th ed.) CitationSchlichtiger, J., Steffen, J., Huber, B. C., & Brunner, S. (2021). Physical activity during COVID-19 lockdown in older adults. The Journal of Sports Medicine and Physical Fitness, 61(1), 164-166.
Chicago Style (17th ed.) CitationSchlichtiger, J., J. Steffen, B. C. Huber, and S. Brunner. "Physical Activity During COVID-19 Lockdown in Older Adults." The Journal of Sports Medicine and Physical Fitness 61, no. 1 (2021): 164-166.
MLA (9th ed.) CitationSchlichtiger, J., et al. "Physical Activity During COVID-19 Lockdown in Older Adults." The Journal of Sports Medicine and Physical Fitness, vol. 61, no. 1, 2021, pp. 164-166.