APA (7th ed.) Citation

Qvarfordt, I., Riise, G. C., Andersson, B. A., & Larsson, S. (2001). IgG subclasses in smokers with chronic bronchitis and recurrent exacerbations. Thorax, 56(6), 445-449. https://doi.org/10.1136/thorax.56.6.445

Chicago Style (17th ed.) Citation

Qvarfordt, I., G C. Riise, B A. Andersson, and S. Larsson. "IgG Subclasses in Smokers with Chronic Bronchitis and Recurrent Exacerbations." Thorax 56, no. 6 (2001): 445-449. https://doi.org/10.1136/thorax.56.6.445.

MLA (9th ed.) Citation

Qvarfordt, I., et al. "IgG Subclasses in Smokers with Chronic Bronchitis and Recurrent Exacerbations." Thorax, vol. 56, no. 6, 2001, pp. 445-449, https://doi.org/10.1136/thorax.56.6.445.