APA (7th ed.) Citation

Buban, C. E. (2005). How firms can really reduce energy use. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Buban, Charles E. "How Firms Can Really Reduce Energy Use." Philippine Daily Inquirer 2005.

MLA (9th ed.) Citation

Buban, Charles E. "How Firms Can Really Reduce Energy Use." Philippine Daily Inquirer, 2005.

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