Gaya APA
      National Heart, Lung, and Blood Institute (NHLBI). (2013).
    So You Have Asthma: A Guide for Patients and Their Families .
    Maryland:
  U.S. Department of Health and Human Services.
  
Gaya Chicago
      National Heart, Lung, and Blood Institute (NHLBI).
    So You Have Asthma: A Guide for Patients and Their Families.
    
    Maryland:
  U.S. Department of Health and Human Services,
  2013.
  Text.
  
Gaya MLA
      National Heart, Lung, and Blood Institute (NHLBI).
    So You Have Asthma: A Guide for Patients and Their Families.
    
    Maryland:
  U.S. Department of Health and Human Services,
  2013.
  Text.
  
Gaya Turabian
      National Heart, Lung, and Blood Institute (NHLBI).
    So You Have Asthma: A Guide for Patients and Their Families.
     
    Maryland:
  U.S. Department of Health and Human Services,
  2013.
  Print.