APA (7th ed.) Citation

Froehlich, A. (2010). CCNA voice: Study guide. Wiley Technology.

Chicago Style (17th ed.) Citation

Froehlich, Andrew. CCNA Voice: Study Guide. Indianapolis, Ind.: Wiley Technology, 2010.

MLA (9th ed.) Citation

Froehlich, Andrew. CCNA Voice: Study Guide. Wiley Technology, 2010.

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