APA (7th ed.) Citation

Pamintuan, A. M., & Tan, L. C., Sr. (2011). Open skies. IN Sketches [column]. Philippine Star.

Chicago Style (17th ed.) Citation

Pamintuan, Ana Marie, and Lucio C. Tan, Sr. "Open Skies. IN Sketches [column]." Philippine Star 2011.

MLA (9th ed.) Citation

Pamintuan, Ana Marie, and Lucio C. Tan, Sr. "Open Skies. IN Sketches [column]." Philippine Star, 2011.

Warning: These citations may not always be 100% accurate.