Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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