APA (7th ed.) Citation

Sheen, B. (2011). Asthma. Gale Cengage Learning.

Chicago Style (17th ed.) Citation

Sheen, Barbara. Asthma. Detroit: Gale Cengage Learning, 2011.

MLA (9th ed.) Citation

Sheen, Barbara. Asthma. Gale Cengage Learning, 2011.

Warning: These citations may not always be 100% accurate.