APA (7th ed.) Citation

Petroleum Economist Cartographic (Firm), Fuller, K., & Bush, P. (2013). North America unconventional oil map (2013 edition.). Petroleum Economist Ltd..

Chicago Style (17th ed.) Citation

Petroleum Economist Cartographic (Firm), K. Fuller, and P. Bush. North America Unconventional Oil Map. 2013 edition. London: Petroleum Economist Ltd., 2013.

MLA (9th ed.) Citation

Petroleum Economist Cartographic (Firm), et al. North America Unconventional Oil Map. 2013 edition. Petroleum Economist Ltd., 2013.