APA (7th ed.) Citation

Loo, K., & Letchumanan, V. COVID-19: Understanding the New Variants of Concern. HH Publisher.

Chicago Style (17th ed.) Citation

Loo, Ke-Yan, and Vengadesh Letchumanan. COVID-19: Understanding the New Variants of Concern. HH Publisher.

MLA (9th ed.) Citation

Loo, Ke-Yan, and Vengadesh Letchumanan. COVID-19: Understanding the New Variants of Concern. HH Publisher.

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