Citação norma APA

Liu, K., Chen, Y., Lin, R., & Han, K. (2020). Clinical features of COVID-19 in elderly patients: A comparison with young and middle-aged patients. J Infect.

Citação norma Chicago

Liu, Kai, Ying Chen, Ruzheng Lin, and Kunyuan Han. "Clinical Features of COVID-19 in Elderly Patients: A Comparison With Young and Middle-aged Patients." J Infect 2020.

Citação norma MLA

Liu, Kai, Ying Chen, Ruzheng Lin, and Kunyuan Han. "Clinical Features of COVID-19 in Elderly Patients: A Comparison With Young and Middle-aged Patients." J Infect 2020.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.