APA (7th ed.) Citation

Parkhurst, W. R. Cisco BGP-4 Command and Configuration Handbook. Cisco Press.

Chicago Style (17th ed.) Citation

Parkhurst, William R. Cisco BGP-4 Command and Configuration Handbook. Cisco Press.

MLA (8th ed.) Citation

Parkhurst, William R. Cisco BGP-4 Command and Configuration Handbook. Cisco Press.

Warning: These citations may not always be 100% accurate.