Cita APA (7a ed.)

Gonzales, S. R. O. (1999). Earth's population to hit 6B next month. Philippine Daily Inquirer.

Cita Chicago Style (17a ed.)

Gonzales, Stella Ruth O. "Earth's Population to Hit 6B Next Month." Philippine Daily Inquirer 1999.

Cita MLA (9a ed.)

Gonzales, Stella Ruth O. "Earth's Population to Hit 6B Next Month." Philippine Daily Inquirer, 1999.