APA (7th ed.) Citation

Xiao-bo Zhang, Xiao Wu, & Guang-min Nong. (2020). Update on protracted bacterial bronchitis in children. BMC.

Chicago Style (17th ed.) Citation

Xiao-bo Zhang, Xiao Wu, and Guang-min Nong. Update on Protracted Bacterial Bronchitis in Children. BMC, 2020.

MLA (9th ed.) Citation

Xiao-bo Zhang, et al. Update on Protracted Bacterial Bronchitis in Children. BMC, 2020.

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