APA (7th ed.) Citation

Hartmann, D., & Olsen, C. (2008). Implementing Cisco Unified Communications Manager: Authorized self-study guide. Cisco Press.

Chicago Style (17th ed.) Citation

Hartmann, Dennis, and Chris Olsen. Implementing Cisco Unified Communications Manager: Authorized Self-study Guide. Indianapolis, Ind: Cisco Press, 2008.

MLA (9th ed.) Citation

Hartmann, Dennis, and Chris Olsen. Implementing Cisco Unified Communications Manager: Authorized Self-study Guide. Cisco Press, 2008.