APA (7th ed.) Citation

Lewis, M. (2011). CCIE Voice v3.0 quick references. Cisco Press.

Chicago Style (17th ed.) Citation

Lewis, Mark. CCIE Voice V3.0 Quick References. Indianapolis, IN: Cisco Press, 2011.

MLA (9th ed.) Citation

Lewis, Mark. CCIE Voice V3.0 Quick References. Cisco Press, 2011.

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