APA (7th ed.) Citation

Bloomberg News (Firm), Chu, D., & Johnson, A. (2013). Why is oil above $100-a-barrel? Bloomberg.

Chicago Style (17th ed.) Citation

Bloomberg News (Firm), Dominic Chu, and Adam Johnson. Why Is Oil Above $100-a-barrel? New York: Bloomberg, 2013.

MLA (9th ed.) Citation

Bloomberg News (Firm), et al. Why Is Oil Above $100-a-barrel? Bloomberg, 2013.