APA (7th ed.) Citation

Lammle, T., Odom, S., & Wallace, K. (2001). CCNP: Routing study guide. Sybex.

Chicago Style (17th ed.) Citation

Lammle, Todd, Sean Odom, and Kevin Wallace. CCNP: Routing Study Guide. Alameda, CA: Sybex, 2001.

MLA (8th ed.) Citation

Lammle, Todd, et al. CCNP: Routing Study Guide. Sybex, 2001.