Citação norma APA

Qian, Z., Lin, H., Chinchilli, V. M., Lehman, E. B., Duan, Y., Craig, T. J., . . . Bascom, R. (2009). Interaction of Ambient Air Pollution With Asthma Medication on Exhaled Nitric Oxide Among Asthmatics.

Citação norma Chicago

Qian, Zhengmin, et al. Interaction of Ambient Air Pollution With Asthma Medication On Exhaled Nitric Oxide Among Asthmatics. 2009.

Citação norma MLA

Qian, Zhengmin, et al. Interaction of Ambient Air Pollution With Asthma Medication On Exhaled Nitric Oxide Among Asthmatics. 2009.

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