Citação norma APA

Covar, R. A., Szefler, S. J., Zeiger, R. S., Sorkness, C. A., Moss, M., Mauger, D. T., . . . Taussig, L. M. (2008). Factors Associated with Asthma Exacerbations During a Long-term Clinical Trial of Controller Medications in Children.

Citação norma Chicago

Covar, Ronina A., et al. Factors Associated With Asthma Exacerbations During a Long-term Clinical Trial of Controller Medications in Children. 2008.

Citação norma MLA

Covar, Ronina A., et al. Factors Associated With Asthma Exacerbations During a Long-term Clinical Trial of Controller Medications in Children. 2008.

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