Cita APA (7a ed.)

Ragon, G. (1999). Advertising in today's world. Manila Bulletin.

Cita Chicago Style (17a ed.)

Ragon, Genoveva. "Advertising in Today's World." Manila Bulletin 1999.

Cita MLA (9a ed.)

Ragon, Genoveva. "Advertising in Today's World." Manila Bulletin, 1999.