APA (7th ed.) Citation

Crisostomo, I. T. (2001). Writing books is hard but rewarding. Philippine Star.

Chicago Style (17th ed.) Citation

Crisostomo, Isabelo T. "Writing Books Is Hard but Rewarding." Philippine Star 2001.

MLA (9th ed.) Citation

Crisostomo, Isabelo T. "Writing Books Is Hard but Rewarding." Philippine Star, 2001.

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