APA (7th ed.) Citation

Harper, A. (2011). Gray hat hacking: The ethical hacker's handbook (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Harper, Allen. Gray Hat Hacking: The Ethical Hacker's Handbook. 3rd ed. New York: McGraw-Hill, 2011.

MLA (8th ed.) Citation

Harper, Allen. Gray Hat Hacking: The Ethical Hacker's Handbook. 3rd ed. McGraw-Hill, 2011.

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