APA (7th ed.) Citation

Petroleum Economist Ltd, Ernst & Young, Fuller, K., & Bush, P. (1998). World oil map (3rd ed.). Petroleum Economist.

Chicago Style (17th ed.) Citation

Petroleum Economist Ltd, Ernst & Young, K. Fuller, and P. Bush. World Oil Map. 3rd ed. London: Petroleum Economist, 1998.

MLA (9th ed.) Citation

Petroleum Economist Ltd, et al. World Oil Map. 3rd ed. Petroleum Economist, 1998.