Gaya APA

Zhang, J. et al (2009). Preferential oligomerization of isobutene in mixtures of isobutene and 1-butene over 12-tungstosilicic acid supported on silica . London: Elsevier B.V..

Gaya MLA

Zhang, Jin. et al. "Preferential oligomerization of isobutene in mixtures of isobutene and 1-butene over 12-tungstosilicic acid supported on silica". London: Elsevier B.V., 2009. e-journal.