APA (7th ed.) Citation
Jannach, D., Zanker, M., Felfernig, A., & Friedrich, G. (2011). Recommender Systems: An Introduction. Cambridge University Press.
Chicago Style (17th ed.) Citation
Jannach, Dietmar, Markus Zanker, Alexander Felfernig, and Gerhard Friedrich. Recommender Systems: An Introduction. Cambridge: Cambridge University Press, 2011.
MLA (9th ed.) Citation
Jannach, Dietmar, et al. Recommender Systems: An Introduction. Cambridge University Press, 2011.
Warning: These citations may not always be 100% accurate.