Cita APA

Vollmer, W., Gíslason, þ., Burney, P., Enright, P., Gulsvik, A., Kocabas, A., & Buist, A. (2009). Comparison of spirometry criteria for the diagnosis of COPD: Results from the BOLD study.

Citación estilo Chicago

Vollmer, W.M., þ Gíslason, P. Burney, P.L Enright, A. Gulsvik, A. Kocabas, y A.S Buist. Comparison of Spirometry Criteria for the Diagnosis of COPD: Results From the BOLD Study. 2009.

Cita MLA

Vollmer, W.M., et al. Comparison of Spirometry Criteria for the Diagnosis of COPD: Results From the BOLD Study. 2009.