APA (7th ed.) Citation

San Juan, T. S. (1999). Vigan struggle to protect past. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

San Juan, Thelma S. "Vigan Struggle to Protect Past." Philippine Daily Inquirer 1999.

MLA (9th ed.) Citation

San Juan, Thelma S. "Vigan Struggle to Protect Past." Philippine Daily Inquirer, 1999.

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