APA (7th ed.) Citation

Hien, P. H., Quick, G. R., & Cruz, I. E. (1993). Conical grate rice husk combustor for grain drying. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Hien, Phan Hieu, Graeme R. Quick, and Ibarra E. Cruz. "Conical Grate Rice Husk Combustor for Grain Drying." Philippine Engineering Journal 1993.

MLA (9th ed.) Citation

Hien, Phan Hieu, et al. "Conical Grate Rice Husk Combustor for Grain Drying." Philippine Engineering Journal, 1993.