APA (7th ed.) Citation

Lammle, T. (2007). CCNA: Cisco certified network associate study guide (6. ed.). Wiley.

Chicago Style (17th ed.) Citation

Lammle, Todd. CCNA: Cisco Certified Network Associate Study Guide. 6. ed. Indianapolis, Ind: Wiley, 2007.

MLA (9th ed.) Citation

Lammle, Todd. CCNA: Cisco Certified Network Associate Study Guide. 6. ed. Wiley, 2007.