APA (7th ed.) Citation

Thomas, T. M., & Stoddard, D. (2012). Network security first-step ([2nd ed.].). Cisco Press.

Chicago Style (17th ed.) Citation

Thomas, Thomas M., and Donald Stoddard. Network Security First-step. [2nd ed.]. Indianapolis, IN: Cisco Press, 2012.

MLA (9th ed.) Citation

Thomas, Thomas M., and Donald Stoddard. Network Security First-step. [2nd ed.]. Cisco Press, 2012.