Cita APA

 Sklar, J. (2012).  Principles of Web Design: The Web Technologies Series.  Course Technology.

Chicago Style Citation

 Sklar, Joel.  Principles of Web Design: The Web Technologies Series.  Course Technology, 2012.

Cita MLA

 Sklar, Joel.  Principles of Web Design: The Web Technologies Series.  Course Technology, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.