Cita APA (7a ed.)

Smolley, L. A., & Bruce, D. F. (1998). Breathe right now: A comprehensive guide to understanding and treating the most common breathing disorders. W.W. Norton & Co..

Cita Chicago Style (17a ed.)

Smolley, Laurence A., y Debra Fulghum Bruce. Breathe Right Now: A Comprehensive Guide to Understanding and Treating the Most Common Breathing Disorders. New York: W.W. Norton & Co., 1998.

Cita MLA (8a ed.)

Smolley, Laurence A., y Debra Fulghum Bruce. Breathe Right Now: A Comprehensive Guide to Understanding and Treating the Most Common Breathing Disorders. W.W. Norton & Co., 1998.