APA (7th ed.) Citation

Loo, K., Thye, A. Y., Law, L. N., & Law, J. W. F. COVID-19: An Updated Situation from Singapore. HH Publisher.

Chicago Style (17th ed.) Citation

Loo, Ke-Yan, Angel Yun-Kuan Thye, Lydia Ngiik-Shiew Law, and Jodi Woan Fei Law. COVID-19: An Updated Situation from Singapore. HH Publisher.

MLA (9th ed.) Citation

Loo, Ke-Yan, et al. COVID-19: An Updated Situation from Singapore. HH Publisher.