APA (7th ed.) Citation

Petroleum Economist Ltd & Citibank (New York, N.Y.). (1997). World LNG map. Petroleum Economist.

Chicago Style (17th ed.) Citation

Petroleum Economist Ltd and N.Y.) Citibank (New York. World LNG Map. London: Petroleum Economist, 1997.

MLA (9th ed.) Citation

Petroleum Economist Ltd and N.Y.) Citibank (New York. World LNG Map. Petroleum Economist, 1997.