APA (7th ed.) Citation

Lennelöv, E., Irewall, T., Naumburg, E., Lindberg, A., & Stenfors, N. The Prevalence of Asthma and Respiratory Symptoms among Cross-Country Skiers in Early Adolescence. Wiley.

Chicago Style (17th ed.) Citation

Lennelöv, E., T. Irewall, E. Naumburg, A. Lindberg, and N. Stenfors. The Prevalence of Asthma and Respiratory Symptoms Among Cross-Country Skiers in Early Adolescence. Wiley.

MLA (9th ed.) Citation

Lennelöv, E., et al. The Prevalence of Asthma and Respiratory Symptoms Among Cross-Country Skiers in Early Adolescence. Wiley.

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