Cita APA (7th ed.)

Magpantay, C., Bion, H., Quilao, T., Balais, W., Herrera, A., Alcoba, E., . . . Yamada, K. (1998). Highly active absorbent for so₂ removal prepared from coal ash (part 2). Philippine Engineering Journal.

Cita Chicago (17th ed.)

Magpantay, C.G, H.H Bion, T.A Quilao, W.A Balais, A.B Herrera, E.M Alcoba, F.I Abarquez, D.L Pugal, i K. Yamada. "Highly Active Absorbent for so₂ Removal Prepared from Coal Ash (part 2)." Philippine Engineering Journal 1998.

Cita MLA (9th ed.)

Magpantay, C.G, et al. "Highly Active Absorbent for so₂ Removal Prepared from Coal Ash (part 2)." Philippine Engineering Journal, 1998.