APA (7th ed.) Citation

Wahlberg, N., & Sterling, P. (2011). Umbraco user's guide. Wiley Pub., Inc..

Chicago Style (17th ed.) Citation

Wahlberg, Nik, and Paul Sterling. Umbraco User's Guide. Indianapolis, Ind.: Wiley Pub., Inc., 2011.

MLA (9th ed.) Citation

Wahlberg, Nik, and Paul Sterling. Umbraco User's Guide. Wiley Pub., Inc., 2011.