APA (7th ed.) Citation

Isaac, N. (2009). On the occasion of his 72nd Birth Anniversary. Manila Bulletin.

Chicago Style (17th ed.) Citation

Isaac, N.B. "On the Occasion of His 72nd Birth Anniversary." Manila Bulletin 2009.

MLA (9th ed.) Citation

Isaac, N.B. "On the Occasion of His 72nd Birth Anniversary." Manila Bulletin, 2009.

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