Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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