APA (7th ed.) Citation

Villanueva, M. A. (2021). COVID-19 test first before vaccinating?. IN Commonsense [column]. Philippine Star.

Chicago Style (17th ed.) Citation

Villanueva, Marichu A. "COVID-19 Test First Before Vaccinating?. IN Commonsense [column]." Philippine Star 2021.

MLA (9th ed.) Citation

Villanueva, Marichu A. "COVID-19 Test First Before Vaccinating?. IN Commonsense [column]." Philippine Star, 2021.

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