APA (7th ed.) Citation
Levy, M. (2006). Asthma: The "at your fingertips" guide. Class Publishing.
Chicago Style (17th ed.) Citation
Levy, Mark. Asthma: The "at Your Fingertips" Guide. London: Class Publishing, 2006.
MLA (9th ed.) Citation
Levy, Mark. Asthma: The "at Your Fingertips" Guide. Class Publishing, 2006.
Warning: These citations may not always be 100% accurate.