APA (7th ed.) Citation

Salomon, J. A., Reinhart, A., Bilinski, A., Chua, E. J., La Motte-Kerr, W., Rönn, M. M., . . . Tibshirani, R. J. (2021). The US COVID-19 Trends and Impact Survey: Continuous real-time measurement of COVID-19 symptoms, risks, protective behaviors, testing, and vaccination. Proceedings of the National Academy of Sciences - PNAS, 118(51), 1-9. https://doi.org/10.1073/pnas.2111454118

Chicago Style (17th ed.) Citation

Salomon, Joshua A., et al. "The US COVID-19 Trends and Impact Survey: Continuous Real-time Measurement of COVID-19 Symptoms, Risks, Protective Behaviors, Testing, and Vaccination." Proceedings of the National Academy of Sciences - PNAS 118, no. 51 (2021): 1-9. https://doi.org/10.1073/pnas.2111454118.

MLA (9th ed.) Citation

Salomon, Joshua A., et al. "The US COVID-19 Trends and Impact Survey: Continuous Real-time Measurement of COVID-19 Symptoms, Risks, Protective Behaviors, Testing, and Vaccination." Proceedings of the National Academy of Sciences - PNAS, vol. 118, no. 51, 2021, pp. 1-9, https://doi.org/10.1073/pnas.2111454118.