Cita APA

Jordan, R. E., Cheng, K. K., Miller, M. R., & Adab, P. (2011). Passive smoking and chronic obstructive pulmonary disease: Cross-sectional analysis of data from the Health Survey for England. BMJ Group.

Chicago Style Citation

Jordan, Rachel E., Kar Keung Cheng, Martin R. Miller, i Peymané Adab. Passive Smoking and Chronic Obstructive Pulmonary Disease: Cross-sectional Analysis of Data From the Health Survey for England. BMJ Group, 2011.

Cita MLA

Jordan, Rachel E., Kar Keung Cheng, Martin R. Miller, i Peymané Adab. Passive Smoking and Chronic Obstructive Pulmonary Disease: Cross-sectional Analysis of Data From the Health Survey for England. BMJ Group, 2011.