APA (7th ed.) Citation

Paoletti, G., Costanzo, G., Merigo, M., Puggioni, F., Ferri, S., Messina, M. R., . . . Heffler, E. Vocal biomarkers correlate with FEV1 variations during methacholine challenge. Wiley.

Chicago Style (17th ed.) Citation

Paoletti, Giovanni, et al. Vocal Biomarkers Correlate with FEV1 Variations During Methacholine Challenge. Wiley.

MLA (9th ed.) Citation

Paoletti, Giovanni, et al. Vocal Biomarkers Correlate with FEV1 Variations During Methacholine Challenge. Wiley.

Warning: These citations may not always be 100% accurate.