APA (7th ed.) Citation

Porcalla, D. (2021). House bill seeks mandatory vaccination for herd immunity. Philippine Star.

Chicago Style (17th ed.) Citation

Porcalla, Delon. "House Bill Seeks Mandatory Vaccination for Herd Immunity." Philippine Star 2021.

MLA (9th ed.) Citation

Porcalla, Delon. "House Bill Seeks Mandatory Vaccination for Herd Immunity." Philippine Star, 2021.

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