APA (7th ed.) Citation
Bomberg, E., Peterson, J., & Stubb, A. (2008). <The> European Union: How does it work? (2nd ed.). Oxford University Press.
Chicago Style (17th ed.) Citation
Bomberg, Elizabeth, John Peterson, and Alexander Stubb. <The> European Union: How Does It Work? 2nd ed. Oxford: Oxford University Press, 2008.
MLA (9th ed.) Citation
Bomberg, Elizabeth, et al. <The> European Union: How Does It Work? 2nd ed. Oxford University Press, 2008.
Warning: These citations may not always be 100% accurate.