APA (7th ed.) Citation

Aldover, R. Z. (1980). Oil-to-coal conversion in cement kilns. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Aldover, Rogelio Z. "Oil-to-coal Conversion in Cement Kilns." Philippine Engineering Journal 1980.

MLA (9th ed.) Citation

Aldover, Rogelio Z. "Oil-to-coal Conversion in Cement Kilns." Philippine Engineering Journal, 1980.

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