APA (7th ed.) Citation

Cheswick, W. R., & Bellovin, S. M. (1994). Firewalls and Internet security: Repelling the Wily Hacker. Addison-Wesley.

Chicago Style (17th ed.) Citation

Cheswick, William R., and Steven M. Bellovin. Firewalls and Internet Security: Repelling the Wily Hacker. Reading, Massachusetts [etc.]: Addison-Wesley, 1994.

MLA (9th ed.) Citation

Cheswick, William R., and Steven M. Bellovin. Firewalls and Internet Security: Repelling the Wily Hacker. Addison-Wesley, 1994.