APA (7th ed.) Citation

Santos, O., & Stuppi, J. (2015). CCNA Security 210-260 official cert guide. Cisco Press.

Chicago Style (17th ed.) Citation

Santos, Omar, and John Stuppi. CCNA Security 210-260 Official Cert Guide. Indianapolis: Cisco Press, 2015.

MLA (9th ed.) Citation

Santos, Omar, and John Stuppi. CCNA Security 210-260 Official Cert Guide. Cisco Press, 2015.