APA (7th ed.) Citation

Santiago, R. (2002). Quarrying firm airms its side. IN Letter [column]. Manila Times.

Chicago Style (17th ed.) Citation

Santiago, Ramon. "Quarrying Firm Airms Its Side. IN Letter [column]." Manila Times 2002.

MLA (9th ed.) Citation

Santiago, Ramon. "Quarrying Firm Airms Its Side. IN Letter [column]." Manila Times, 2002.

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