APA (7th ed.) Citation
Hopkinson, N., & et al. (2021). Current smoking and COVID-19 risk: Results from a population symptom app in over 2.4 million people.
Chicago Style (17th ed.) Citation
Hopkinson, N.S, and et al. Current Smoking and COVID-19 Risk: Results from a Population Symptom App in over 2.4 Million People. 2021.
MLA (9th ed.) Citation
Hopkinson, N.S, and et al. Current Smoking and COVID-19 Risk: Results from a Population Symptom App in over 2.4 Million People. 2021.
Warning: These citations may not always be 100% accurate.