Gaya APA

Das, G. et al (2009). Synthesis, characterization and catalytic activity of cobalt phthalocyanine tetrasulphonamide in sweetening of LPG . London: Elsevier B.V..

Gaya MLA

Das, Gautam. et al. "Synthesis, characterization and catalytic activity of cobalt phthalocyanine tetrasulphonamide in sweetening of LPG". London: Elsevier B.V., 2009. e-journal.