APA (7th ed.) Citation

Barbara P. Yawn. (2013). Early Identification of Exacerbations in Patients With Chronic Obstructive Pulmonary Disease. SAGE Publishing.

Chicago Style (17th ed.) Citation

Barbara P. Yawn. Early Identification of Exacerbations in Patients With Chronic Obstructive Pulmonary Disease. SAGE Publishing, 2013.

MLA (9th ed.) Citation

Barbara P. Yawn. Early Identification of Exacerbations in Patients With Chronic Obstructive Pulmonary Disease. SAGE Publishing, 2013.

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