APA (7th ed.) Citation

Sheng, W., Huang, Y., Deng, Z., & Ma, H. Investigation of the Prevalence and Diagnosis of Chronic Obstructive Pulmonary Disease in a Group of Elderly Individuals Residing in an Island Area of Ningbo. Wiley.

Chicago Style (17th ed.) Citation

Sheng, Wei, Youchang Huang, Zaichun Deng, and Hongying Ma. Investigation of the Prevalence and Diagnosis of Chronic Obstructive Pulmonary Disease in a Group of Elderly Individuals Residing in an Island Area of Ningbo. Wiley.

MLA (9th ed.) Citation

Sheng, Wei, et al. Investigation of the Prevalence and Diagnosis of Chronic Obstructive Pulmonary Disease in a Group of Elderly Individuals Residing in an Island Area of Ningbo. Wiley.

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