Cita APA (7a ed.)

Isaac, N. B. (1999). Philippine General Hospital 89th anniversary. Manila Bulletin.

Cita Chicago Style (17a ed.)

Isaac, Norman B. "Philippine General Hospital 89th Anniversary." Manila Bulletin 1999.

Cita MLA (9a ed.)

Isaac, Norman B. "Philippine General Hospital 89th Anniversary." Manila Bulletin, 1999.