APA (7th ed.) Citation

Jansen, J. (2011). Understanding sponsored search: Core elements of keyword advertising. Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Jansen, Jim. Understanding Sponsored Search: Core Elements of Keyword Advertising. Cambridge [u.a.]: Cambridge Univ. Press, 2011.

MLA (9th ed.) Citation

Jansen, Jim. Understanding Sponsored Search: Core Elements of Keyword Advertising. Cambridge Univ. Press, 2011.

Warning: These citations may not always be 100% accurate.