APA (7th ed.) Citation

Petroleum Economist Cartographic (Firm), Petroleum Economist Ltd, E.ON (Firm), Ruhrgas AG Essen, Fuller, K., & Bush, P. (2006). Gas in the CIS & Europe (2006 ed.). Petroleum Economist Ltd..

Chicago Style (17th ed.) Citation

Petroleum Economist Cartographic (Firm), Petroleum Economist Ltd, E.ON (Firm), Ruhrgas AG Essen, K. Fuller, and P. Bush. Gas in the CIS & Europe. 2006 ed. London: Petroleum Economist Ltd., 2006.

MLA (9th ed.) Citation

Petroleum Economist Cartographic (Firm), et al. Gas in the CIS & Europe. 2006 ed. Petroleum Economist Ltd., 2006.