APA (7th ed.) Citation

Herrmann, M. L., Hahn, J., Walter-Frank, B., Bollinger, D. M., Schmauder, K., Schnauder, G., . . . Göpel, S. (2021). COVID-19 in persons aged 70+ in an early affected German district: Risk factors, mortality and post-COVID care needs—A retrospective observational study of hospitalized and non-hospitalized patients. PloS one, 16(6), e0253154. https://doi.org/10.1371/journal.pone.0253154

Chicago Style (17th ed.) Citation

Herrmann, Matthias L., et al. "COVID-19 in Persons Aged 70+ in an Early Affected German District: Risk Factors, Mortality and Post-COVID Care Needs—A Retrospective Observational Study of Hospitalized and Non-hospitalized Patients." PloS One 16, no. 6 (2021): e0253154. https://doi.org/10.1371/journal.pone.0253154.

MLA (9th ed.) Citation

Herrmann, Matthias L., et al. "COVID-19 in Persons Aged 70+ in an Early Affected German District: Risk Factors, Mortality and Post-COVID Care Needs—A Retrospective Observational Study of Hospitalized and Non-hospitalized Patients." PloS One, vol. 16, no. 6, 2021, p. e0253154, https://doi.org/10.1371/journal.pone.0253154.