APA (7th ed.) Citation

Hayati, P., Potdar, V., & Kaynak, O. (2009). Spammer and hacker, two old friends. IEEE.

Chicago Style (17th ed.) Citation

Hayati, Pedram, Vidyasagar Potdar, and Okyay Kaynak. Spammer and Hacker, Two Old Friends. IEEE, 2009.

MLA (9th ed.) Citation

Hayati, Pedram, et al. Spammer and Hacker, Two Old Friends. IEEE, 2009.