APA Citation

 Dye, M. A. (2008).  Network fundamentals CCNA exploration companion guide.  Cisco Press.

Chicago Style Citation

 Dye, Mark A.  Network Fundamentals CCNA Exploration Companion Guide.  Cisco Press, 2008.

MLA Citation

 Dye, Mark A.  Network Fundamentals CCNA Exploration Companion Guide.  Cisco Press, 2008.

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