Cita APA (7th ed.)

Landicho, O. R. (2000). Pollution - what is it? Philippine Panorama.

Cita Chicago (17th ed.)

Landicho, Oscar R. "Pollution - What Is It?" Philippine Panorama 2000.

Cita MLA (9th ed.)

Landicho, Oscar R. "Pollution - What Is It?" Philippine Panorama, 2000.