Cita APA

 Carr, H. H. (2007).  Data communications and network security.  McGraw-Hill Irwin.

Chicago Style Citation

 Carr, Houston H.  Data Communications and Network Security.  McGraw-Hill Irwin, 2007.

Cita MLA

 Carr, Houston H.  Data Communications and Network Security.  McGraw-Hill Irwin, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.