APA Citation

Wilkins, S., & Smith, F. H. (2011). CCNP security secure 642-637 official cert guide. Indianapolis, Ind: Cisco Press.

Chicago Style Citation

Wilkins, Sean, and Franklin H. Smith. CCNP Security Secure 642-637 Official Cert Guide. Indianapolis, Ind: Cisco Press, 2011.

MLA Citation

Wilkins, Sean, and Franklin H. Smith. CCNP Security Secure 642-637 Official Cert Guide. Indianapolis, Ind: Cisco Press, 2011.