APA (7th ed.) Citation

Stempel, D. A., Szefler, S. J., & Rivera Muñoz, B. Asma.

Chicago Style (17th ed.) Citation

Stempel, David A., Santanley J. Szefler, and Bernardo Rivera Muñoz. Asma.

MLA (8th ed.) Citation

Stempel, David A., et al. Asma.