APA (7th ed.) Citation

Sze Ka Ng, Florence Choi, & Po King Ma. (2021). 279 Parental perception on inhaler and smoking at home. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Sze Ka Ng, Florence Choi, and Po King Ma. 279 Parental Perception on Inhaler and Smoking at Home. BMJ Publishing Group, 2021.

MLA (9th ed.) Citation

Sze Ka Ng, et al. 279 Parental Perception on Inhaler and Smoking at Home. BMJ Publishing Group, 2021.

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