Gaya APA

Zhang, L. et al (2009). Ethanol steam reforming reactions over Al2O3 . SiO2-supported Ni–La catalysts . London: Elsevier Ltd..

Gaya MLA

Zhang, Lifeng. et al. "Ethanol steam reforming reactions over Al2O3 . SiO2-supported Ni–La catalysts". London: Elsevier Ltd., 2009. e-journal.