APA (7th ed.) Citation

Wray, B. B. (1998). Taking charge of asthma: A lifetime strategy. John Wiley.

Chicago Style (17th ed.) Citation

Wray, Betty B. Taking Charge of Asthma: A Lifetime Strategy. New York: John Wiley, 1998.

MLA (9th ed.) Citation

Wray, Betty B. Taking Charge of Asthma: A Lifetime Strategy. John Wiley, 1998.