APA (7th ed.) Citation

Balmes John, Eisner Mark D, Katz Patricia P, Trupin Laura, Yelin Edward H, & Blanc Paul D. (2005). Lifetime environmental tobacco smoke exposure and the risk of chronic obstructive pulmonary disease. BMC.

Chicago Style (17th ed.) Citation

Balmes John, Eisner Mark D, Katz Patricia P, Trupin Laura, Yelin Edward H, and Blanc Paul D. Lifetime Environmental Tobacco Smoke Exposure and the Risk of Chronic Obstructive Pulmonary Disease. BMC, 2005.

MLA (9th ed.) Citation

Balmes John, et al. Lifetime Environmental Tobacco Smoke Exposure and the Risk of Chronic Obstructive Pulmonary Disease. BMC, 2005.