APA (7th ed.) Citation

(2003). Oil & gas map of Asia: Produced for 22nd World Gas Conference Tokyo 2003 (2003 ed.). Petroleum Economist.

Chicago Style (17th ed.) Citation

Oil & Gas Map of Asia: Produced for 22nd World Gas Conference Tokyo 2003. 2003 ed. London: Petroleum Economist, 2003.

MLA (9th ed.) Citation

Oil & Gas Map of Asia: Produced for 22nd World Gas Conference Tokyo 2003. 2003 ed. Petroleum Economist, 2003.