APA (7th ed.) Citation

Zeng, Q., Zhang, C., Su, F., Wan, Y., Tu, W., & Hu, H. Prevalence, cessation, and geographical variation of smoking among middle-aged and elderly adults in China: A population-based study. European Publishing.

Chicago Style (17th ed.) Citation

Zeng, Qingjia, Chongyang Zhang, Feiyu Su, Yanli Wan, Wen-jun Tu, and Hongpu Hu. Prevalence, Cessation, and Geographical Variation of Smoking among Middle-aged and Elderly Adults in China: A Population-based Study. European Publishing.

MLA (9th ed.) Citation

Zeng, Qingjia, et al. Prevalence, Cessation, and Geographical Variation of Smoking among Middle-aged and Elderly Adults in China: A Population-based Study. European Publishing.

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