APA (7th ed.) Citation

Petroleum Economist Ltd, Petroleum Economist Cartographic (Firm), Ruhrgas AG Essen, Fuller, K., & Bush, P. (2005). Gas in the CIS & Europe (2005 ed.). Petroleum Economist Ltd..

Chicago Style (17th ed.) Citation

Petroleum Economist Ltd, Petroleum Economist Cartographic (Firm), Ruhrgas AG Essen, K. Fuller, and P. Bush. Gas in the CIS & Europe. 2005 ed. London: Petroleum Economist Ltd., 2005.

MLA (9th ed.) Citation

Petroleum Economist Ltd, et al. Gas in the CIS & Europe. 2005 ed. Petroleum Economist Ltd., 2005.