APA (7th ed.) Citation

Frialde, D. (1995). A Filipino pioneer in water treatment. Manila Bulletin.

Chicago Style (17th ed.) Citation

Frialde, Daniel. "A Filipino Pioneer in Water Treatment." Manila Bulletin 1995.

MLA (9th ed.) Citation

Frialde, Daniel. "A Filipino Pioneer in Water Treatment." Manila Bulletin, 1995.

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