APA (7th ed.) Citation
Hadnagy, C., & Ekman, P. (2014). Unmasking the social engineer: The human element of security. Wiley.
Chicago Style (17th ed.) Citation
Hadnagy, Christopher, and Paul Ekman. Unmasking the Social Engineer: The Human Element of Security. Indianapolis, Indiana: Wiley, 2014.
MLA (9th ed.) Citation
Hadnagy, Christopher, and Paul Ekman. Unmasking the Social Engineer: The Human Element of Security. Wiley, 2014.
Warning: These citations may not always be 100% accurate.