APA (7th ed.) Citation

Isaac, N. B. (1998). La Nina: The next climatic challenge. Manila Bulletin.

Chicago Style (17th ed.) Citation

Isaac, Norman B. "La Nina: The Next Climatic Challenge." Manila Bulletin 1998.

MLA (9th ed.) Citation

Isaac, Norman B. "La Nina: The Next Climatic Challenge." Manila Bulletin, 1998.

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