Cita APA (7a ed.)

Cojuangco, T. (2001). nature's gemstones. Philippine Star.

Cita Chicago Style (17a ed.)

Cojuangco, Tingting. "Nature's Gemstones." Philippine Star 2001.

Cita MLA (9a ed.)

Cojuangco, Tingting. "Nature's Gemstones." Philippine Star, 2001.