Cita APA (7th ed.)

Villanueva, M. A. (2021). Green countries or not. IN Commonsense [column]. Philippine Star.

Cita Chicago (17th ed.)

Villanueva, Marichu A. "Green Countries or Not. IN Commonsense [column]." Philippine Star 2021.

Cita MLA (9th ed.)

Villanueva, Marichu A. "Green Countries or Not. IN Commonsense [column]." Philippine Star, 2021.