APA (7th ed.) Citation

Gregg, M. (2017). Certified ethical hacker (CEH) version 9 cert guide (Second edition.). Pearson.

Chicago Style (17th ed.) Citation

Gregg, Michael. Certified Ethical Hacker (CEH) Version 9 Cert Guide. Second edition. Indianapolis, Indiana: Pearson, 2017.

MLA (9th ed.) Citation

Gregg, Michael. Certified Ethical Hacker (CEH) Version 9 Cert Guide. Second edition. Pearson, 2017.

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