APA (7th ed.) Citation

SE, R., HM, E., TJ, O., MW, L., & Jr, R. S. (1974). Head protection in football. The Journal of sports medicine, 2(2), 86. https://doi.org/10.1177/036354657400200204

Chicago Style (17th ed.) Citation

SE, Reid, Epstein HM, O'Dea TJ, Louis MW, and Reid SE Jr. "Head Protection in Football." The Journal of Sports Medicine 2, no. 2 (1974): 86. https://doi.org/10.1177/036354657400200204.

MLA (9th ed.) Citation

SE, Reid, et al. "Head Protection in Football." The Journal of Sports Medicine, vol. 2, no. 2, 1974, p. 86, https://doi.org/10.1177/036354657400200204.