APA (7th ed.) Citation

Guerrero, A. M. (1998). Historic La Union: Between the mountains and the sea. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Guerrero, Amadis Ma. "Historic La Union: Between the Mountains and the Sea." Philippine Daily Inquirer 1998.

MLA (9th ed.) Citation

Guerrero, Amadis Ma. "Historic La Union: Between the Mountains and the Sea." Philippine Daily Inquirer, 1998.

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