APA (7th ed.) Citation

Tan, . R. R. (2012). An simple lesson in bioenergy arithmetic. Philippine Star.

Chicago Style (17th ed.) Citation

Tan, Raymond R. "An Simple Lesson in Bioenergy Arithmetic." Philippine Star 2012.

MLA (9th ed.) Citation

Tan, Raymond R. "An Simple Lesson in Bioenergy Arithmetic." Philippine Star, 2012.

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