APA (7th ed.) Citation

Orig, T. S. (1995). By 2000, water will be world's most critical natural resources. Manila Bulletin.

Chicago Style (17th ed.) Citation

Orig, Thor S. "By 2000, Water Will Be World's Most Critical Natural Resources." Manila Bulletin 1995.

MLA (9th ed.) Citation

Orig, Thor S. "By 2000, Water Will Be World's Most Critical Natural Resources." Manila Bulletin, 1995.

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