APA (7th ed.) Citation

Johnson, A. (2013). 31 Days Before Your CCENT Certification Exam: A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam, Second Edition (1st edition.). Cisco Press.

Chicago Style (17th ed.) Citation

Johnson, Allan. 31 Days Before Your CCENT Certification Exam: A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam, Second Edition. 1st edition. Cisco Press, 2013.

MLA (9th ed.) Citation

Johnson, Allan. 31 Days Before Your CCENT Certification Exam: A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam, Second Edition. 1st edition. Cisco Press, 2013.

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