APA (7th ed.) Citation

Orig, T. S. (1999). Photovoltaic (PV) technology can stop people from migrating to congested cities. Manila Bulletin.

Chicago Style (17th ed.) Citation

Orig, Thor S. "Photovoltaic (PV) Technology Can Stop People from Migrating to Congested Cities." Manila Bulletin 1999.

MLA (9th ed.) Citation

Orig, Thor S. "Photovoltaic (PV) Technology Can Stop People from Migrating to Congested Cities." Manila Bulletin, 1999.

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