APA (7th ed.) Citation

Petroleum Economist Ltd, Ruhrgas AG Essen, Fuller, K., & Bush, P. (2002). Gas in the CIS and Europe (2002 ed.). Petroleum Economist.

Chicago Style (17th ed.) Citation

Petroleum Economist Ltd, Ruhrgas AG Essen, K. Fuller, and P. Bush. Gas in the CIS and Europe. 2002 ed. London: Petroleum Economist, 2002.

MLA (9th ed.) Citation

Petroleum Economist Ltd, et al. Gas in the CIS and Europe. 2002 ed. Petroleum Economist, 2002.