APA (7th ed.) Citation

Lammle, T., Padjen, R., & Spangenberg, W. (1999). CCNP: Cisco LAN switch configuration study guide. Sybex.

Chicago Style (17th ed.) Citation

Lammle, Todd, Robert Padjen, and Ward Spangenberg. CCNP: Cisco LAN Switch Configuration Study Guide. San Francisco, CA: Sybex, 1999.

MLA (8th ed.) Citation

Lammle, Todd, et al. CCNP: Cisco LAN Switch Configuration Study Guide. Sybex, 1999.