APA

Liao X., Peng D., Wang W., Lei Y., Luo F., Yang Z., Su Q. & Zou C. (20150928). [Risk factors associated with chronic obstructive pulmonary disease: a comparison between urban and rural populations in Chengdu]. : Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition.

Chicago

Liao Xiao-yang, Peng Da-qing, Wang Wei-wen, Lei Yi, Luo Feng-ming, Yang Zhi-yi, Su Qiao-li and Zou Chuan. 20150928. [Risk factors associated with chronic obstructive pulmonary disease: a comparison between urban and rural populations in Chengdu]. : Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition.

Harvard

Liao X., Peng D., Wang W., Lei Y., Luo F., Yang Z., Su Q. and Zou C. (20150928). [Risk factors associated with chronic obstructive pulmonary disease: a comparison between urban and rural populations in Chengdu]. : Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition.

MLA

Liao Xiao-yang, Peng Da-qing, Wang Wei-wen, Lei Yi, Luo Feng-ming, Yang Zhi-yi, Su Qiao-li and Zou Chuan. [Risk factors associated with chronic obstructive pulmonary disease: a comparison between urban and rural populations in Chengdu]. : Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition. 20150928.