APA (7th ed.) Citation

Sieling, B. A. (2013). CCNA Voice Lab Manual (1st edition.). Cisco Press.

Chicago Style (17th ed.) Citation

Sieling, Brent Author. CCNA Voice Lab Manual. 1st edition. [Place of publication not identified]: Cisco Press, 2013.

MLA (9th ed.) Citation

Sieling, Brent Author. CCNA Voice Lab Manual. 1st edition. Cisco Press, 2013.