APA (7th ed.) Citation

Lammle, T. (2011). CCNA: Cisco certified network associate study guide (7. ed.). Wiley.

Chicago Style (17th ed.) Citation

Lammle, Todd. CCNA: Cisco Certified Network Associate Study Guide. 7. ed. Indianapolis, Ind: Wiley, 2011.

MLA (9th ed.) Citation

Lammle, Todd. CCNA: Cisco Certified Network Associate Study Guide. 7. ed. Wiley, 2011.