APA (7th ed.) Citation

Geerts, J., Van der Wiele, K., & Van Kasteren, J. (1991). Energy: Ethylene from natural gas by direct catalytic oxidation. Commission of The European Communities.

Chicago Style (17th ed.) Citation

Geerts, J.W.M.H, K. Van der Wiele, and J.M.N Van Kasteren. Energy: Ethylene from Natural Gas by Direct Catalytic Oxidation. Brussels, Luxembourg: Commission of The European Communities, 1991.

MLA (9th ed.) Citation

Geerts, J.W.M.H, et al. Energy: Ethylene from Natural Gas by Direct Catalytic Oxidation. Commission of The European Communities, 1991.