Cita APA

 Kent, P. (2012).  Search engine optimization for dummies.  Wiley Publishing Inc.

Chicago Style Citation

 Kent, Peter.  Search Engine Optimization for Dummies.  Wiley Publishing Inc, 2012.

Cita MLA

 Kent, Peter.  Search Engine Optimization for Dummies.  Wiley Publishing Inc, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.