APA (7th ed.) Citation

Valentine, M., & Whitaker, A. (2008). CCENT exam cram: (exam 640-822) (3rd ed.). Que Pub.

Chicago Style (17th ed.) Citation

Valentine, Michael, and Andrew Whitaker. CCENT Exam Cram: (exam 640-822). 3rd ed. Indianapolis, Ind: Que Pub, 2008.

MLA (9th ed.) Citation

Valentine, Michael, and Andrew Whitaker. CCENT Exam Cram: (exam 640-822). 3rd ed. Que Pub, 2008.