Cita APA (7th ed.)

Herrera, C. (1997). Researchers show why PDI is no.1. Philippine Daily Inquirer.

Cita Chicago (17th ed.)

Herrera, Christine. "Researchers Show Why PDI Is No.1." Philippine Daily Inquirer 1997.

Cita MLA (9th ed.)

Herrera, Christine. "Researchers Show Why PDI Is No.1." Philippine Daily Inquirer, 1997.