APA (7th ed.) Citation

Piercy, K. L., Troiano, R. P., Ballard, R. M., Carlson, S. A., Fulton, J. E., Galuska, D. A., . . . Olson, R. D. (2018). The Physical Activity Guidelines for Americans. JAMA : the journal of the American Medical Association, 320(19), 2020. https://doi.org/10.1001/jama.2018.14854

Chicago Style (17th ed.) Citation

Piercy, Katrina L., Richard P. Troiano, Rachel M. Ballard, Susan A. Carlson, Janet E. Fulton, Deborah A. Galuska, Stephanie M. George, and Richard D. Olson. "The Physical Activity Guidelines for Americans." JAMA : The Journal of the American Medical Association 320, no. 19 (2018): 2020. https://doi.org/10.1001/jama.2018.14854.

MLA (9th ed.) Citation

Piercy, Katrina L., et al. "The Physical Activity Guidelines for Americans." JAMA : The Journal of the American Medical Association, vol. 320, no. 19, 2018, p. 2020, https://doi.org/10.1001/jama.2018.14854.