APA (7th ed.) Citation

Schulz, D. (2011). CCNP Voice CIPT2 642-457: Quick reference (2nd ed.). Cisco Press.

Chicago Style (17th ed.) Citation

Schulz, Dave. CCNP Voice CIPT2 642-457: Quick Reference. 2nd ed. Indianapolis, Ind.: Cisco Press, 2011.

MLA (8th ed.) Citation

Schulz, Dave. CCNP Voice CIPT2 642-457: Quick Reference. 2nd ed. Cisco Press, 2011.

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