APA (7th ed.) Citation

Antonio, O. V. M., Jr, & Zarco, M. A. (2007). Engineering properties of Calaca Batangas bottom ash. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Antonio, Oscar Victor M., Jr, and Mark Albert Zarco. "Engineering Properties of Calaca Batangas Bottom Ash." Philippine Engineering Journal 2007.

MLA (9th ed.) Citation

Antonio, Oscar Victor M., Jr, and Mark Albert Zarco. "Engineering Properties of Calaca Batangas Bottom Ash." Philippine Engineering Journal, 2007.

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