Citação norma APA

Ball, J., Cusack, R., Rhodes, A., & Grounds, R. (2001). Helium–oxygen (He–O(2)) enhances oxygenation and increases carbon dioxide clearance in mechanically ventilated patients. BioMed Central.

Citação norma Chicago

Ball, JAS, R. Cusack, A. Rhodes, and RM Grounds. Helium–oxygen (He–O(2)) Enhances Oxygenation and Increases Carbon Dioxide Clearance in Mechanically Ventilated Patients. BioMed Central, 2001.

Citação norma MLA

Ball, JAS, R. Cusack, A. Rhodes, and RM Grounds. Helium–oxygen (He–O(2)) Enhances Oxygenation and Increases Carbon Dioxide Clearance in Mechanically Ventilated Patients. BioMed Central, 2001.

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