APA (7th ed.) Citation

Petroleum Economist Ltd & International Petroleum Corporation. (1993). Frontier and underexplored basins of the world. Petroleum Economist.

Chicago Style (17th ed.) Citation

Petroleum Economist Ltd and International Petroleum Corporation. Frontier and Underexplored Basins of the World. London: Petroleum Economist, 1993.

MLA (9th ed.) Citation

Petroleum Economist Ltd and International Petroleum Corporation. Frontier and Underexplored Basins of the World. Petroleum Economist, 1993.

Warning: These citations may not always be 100% accurate.