APA (7th ed.) Citation

Michael Watkins; Kevin Wallace, C. N. 7. CCNA Security Official Exam Certification Guide (Exam 640-553) (1.). Pearson India.

Chicago Style (17th ed.) Citation

Michael Watkins; Kevin Wallace, CCIE No. 7945. CCNA Security Official Exam Certification Guide (Exam 640-553). 1. Pearson India.

MLA (8th ed.) Citation

Michael Watkins; Kevin Wallace, CCIE No. 7945. CCNA Security Official Exam Certification Guide (Exam 640-553). 1. Pearson India.

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