APA (7th ed.) Citation

RF, K., FL, P., G, S., PA, R., & TS, S. (2021). Impacts of Changes in Atmospheric O2 on Human Physiology. Is There a Basis for Concern? Frontiers in physiology, 12, 571137. https://doi.org/10.3389/fphys.2021.571137

Chicago Style (17th ed.) Citation

RF, Keeling, Powell FL, Shaffer G, Robbins PA, and Simonson TS. "Impacts of Changes in Atmospheric O2 on Human Physiology. Is There a Basis for Concern?" Frontiers in Physiology 12 (2021): 571137. https://doi.org/10.3389/fphys.2021.571137.

MLA (9th ed.) Citation

RF, Keeling, et al. "Impacts of Changes in Atmospheric O2 on Human Physiology. Is There a Basis for Concern?" Frontiers in Physiology, vol. 12, 2021, p. 571137, https://doi.org/10.3389/fphys.2021.571137.