APA (7th ed.) Citation

Metilla, S. S. (1999). Why some cacti must be grafted. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Metilla, Serapion S. "Why Some Cacti Must Be Grafted." Philippine Daily Inquirer 1999.

MLA (9th ed.) Citation

Metilla, Serapion S. "Why Some Cacti Must Be Grafted." Philippine Daily Inquirer, 1999.

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