APA (7th ed.) Citation

Chan, T. K. Universal masking for COVID-19: Evidence, ethics and recommendations. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Chan, Tak Kwong. Universal Masking for COVID-19: Evidence, Ethics and Recommendations. BMJ Publishing Group.

MLA (9th ed.) Citation

Chan, Tak Kwong. Universal Masking for COVID-19: Evidence, Ethics and Recommendations. BMJ Publishing Group.

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