APA (7th ed.) Citation

Zhang, X., Zhou, Q., Wang, S., Ma, Q., & Sun, Y. Etiology of Emergency Visit and In-Hospital Outcomes of Patients with COPD. Wiley.

Chicago Style (17th ed.) Citation

Zhang, Xueyang, Qingtao Zhou, Shengfeng Wang, Qingbian Ma, and Yongchang Sun. Etiology of Emergency Visit and In-Hospital Outcomes of Patients with COPD. Wiley.

MLA (9th ed.) Citation

Zhang, Xueyang, et al. Etiology of Emergency Visit and In-Hospital Outcomes of Patients with COPD. Wiley.