Citação norma APA

Xu, J., Yin, Z., Liu, Y., Wang, S., Duan, L., An, Y., . . . Chen, J. (2021). Clinical Characteristics and Outcomes of Severe or Critical COVID-19 Patients Presenting No Respiratory Symptoms or Fever at Onset. Engineering (Beijing).

Citação norma Chicago

Xu, Juanjuan, et al. "Clinical Characteristics and Outcomes of Severe or Critical COVID-19 Patients Presenting No Respiratory Symptoms or Fever At Onset." Engineering (Beijing) 2021.

Citação norma MLA

Xu, Juanjuan, et al. "Clinical Characteristics and Outcomes of Severe or Critical COVID-19 Patients Presenting No Respiratory Symptoms or Fever At Onset." Engineering (Beijing) 2021.

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