APA (7th ed.) Citation

Bloomberg News (Firm), Fox, P., & Gruen, B. (2013). Bob Gruen's life behind the lens. Bloomberg.

Chicago Style (17th ed.) Citation

Bloomberg News (Firm), Pimm Fox, and Bob Gruen. Bob Gruen's Life Behind the Lens. New York: Bloomberg, 2013.

MLA (9th ed.) Citation

Bloomberg News (Firm), et al. Bob Gruen's Life Behind the Lens. Bloomberg, 2013.