APA (7th ed.) Citation

Graziani, R., & Johnson, A. (2008). Routing Protocols and Concepts: : CCNA Exploration Companion Guide. Cisco Press.

Chicago Style (17th ed.) Citation

Graziani, Rick, and Allan Johnson. Routing Protocols and Concepts: : CCNA Exploration Companion Guide. Indianapolis: Cisco Press, 2008.

MLA (9th ed.) Citation

Graziani, Rick, and Allan Johnson. Routing Protocols and Concepts: : CCNA Exploration Companion Guide. Cisco Press, 2008.

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