APA (7th ed.) Citation

Hadnagy, C., F., P., & Ekman, P. (2014). Unmasking the Social Engineer: The Human Element of Security (1st edition.). Wiley.

Chicago Style (17th ed.) Citation

Hadnagy, Christopher, Paul F., and Paul Ekman. Unmasking the Social Engineer: The Human Element of Security. 1st edition. Wiley, 2014.

MLA (9th ed.) Citation

Hadnagy, Christopher, et al. Unmasking the Social Engineer: The Human Element of Security. 1st edition. Wiley, 2014.